Students of Elementary School will find the Go Math Grade 2 Chapter 2 Answer Key extremely helpful to resolve their queries. Make use of them as a quick reference to get a good hold of the Numbers Concepts. Begin your practice before the exams and score better grades in the exam. Downloadable HMH Go Math Grade 2 Answer Key Chapter 2 Numbers to 1,000 makes it easy for you to prepare anywhere and anytime.

## Go Math Grade 2 Chapter 2 Answer Key Numbers to 1,000

Refer to the Topicwise Go Math 2nd Grade Chapter 2 Answers via quick links available. Just tap on them and learn the respective topics easily. All the 2nd Grade Go Math Chapter 2 Answer Key Numbers to 1,000 are created by subject experts adhering to the latest Common Core Guidelines. Use them as a reference to resolve all your queries and kick start your preparation.

**Numbers to 1,000**

- Numbers to 1,000 Show What you Know – Page 72
- Numbers to 1,000 Vocabulary Builder – Page 73
- Numbers to 1,000 Game: Fish for Digits – Page 74
- Numbers to 1,000 Vocabulary Game – Page(74A-74B)

**Lesson: 1 Group Tens as Hundreds**

- Lesson 2.1 Group Tens as Hundreds – Page(75-80)
- Group Tens as Hundreds Homework & Practice 2.1 – Page(79-80)

**Lesson 2.2 Explore 3-Digit Numbers**

- Lesson 2.2 Explore 3-Digit Numbers – Page(81-86)
- Explore 3-Digit Numbers Homework & Practice 2.2 – Page(85-86)

**Lesson 2.3 Model 3-Digit Numbers**

- Lesson 2.3 Model 3-Digit Numbers – Page(87-92)
- Model 3-Digit Numbers Homework & Practice 2.3 – Page(91-92)

**Lesson 2.4 Hundreds, Tens, and Ones**

- Lesson 2.4 Hundreds, Tens, and Ones – Page(93-98)
- Hundreds, Tens, and Ones homework & Practice 2.4 – Page(97-98)

**Lesson 2.5 Place Value to 1,000**

- Lesson 2.5 Place Value to 1,000 – Page(99-104)
- Place Value to 1,000 Homework & Practice 2.5 – Page(103-104)

**Lesson 2.6 Number Names**

**Lesson: 7 Different Forms of Numbers**

- Lesson 2.7 Different Forms of Numbers – Page(111-116)
- Different Forms of Numbers Homework & Practice 2.7 – Page(115-116)

**Mid-Chapter Checkpoint**

**Lesson: 8 Different Ways to Show Numbers**

- Lesson 2.8 – Different Ways to Show Numbers
- Algebra • Different Ways to Show Numbers Homework & Practice 2.8 – Page(117-122)

**Lesson: 9 Count On and Count Back by 10 and 100**

- Lesson 2.9 Count On and Count Back by 10 and 100 – Page(123-128)
- Count On and Count Back by 10 and 100 Homework & Practice 2.9 – Page(127-128)

**Lesson: 10 Algebra • Number Patterns**

- Lesson 2.10 Algebra • Number Patterns – Page(129-134)
- Algebra • Number Patterns Homework & Practice 2.10 – Page(133-134)

**Lesson: 11 Problem Solving • Compare Numbers**

- Lesson 2.11 Problem Solving • Compare Numbers – Page(135-140)
- Problem Solving • Compare Numbers Homework & Practice 2.11 – Page(139-140)

**Lesson: 12 Algebra • Compare Numbers**

- Lesson 2.12 Algebra • Compare Numbers – Page(141-146)
- Algebra • Compare Numbers Homework & Practice 2.12 – Page(145-146)
- Numbers Review/Test- Page(147-150)

### Numbers to 1,000 Show What you know

**Identify Numbers to 30**

Write how many.

Question 1.

Answer:

Leaves = 17.

Explanation:

In the above-given figure,

Given that,

there are 17 leaves.

so leaves = 17.

Question 2.

Answer:

bug = 24.

Explanation:

In the above-given figure,

Given that,

there are 24 bugs.

so bug = 24.

**Place Value: 2-Digit Numbers**

Circle the value of the red digit.

Question 3.

Answer:

The value of the red digit = 4.

Explanation:

In the above-given figure,

Given that,

the place value of 2 digits.

the number is 47.

so the value of the red digit = 4.

Question 4.

Answer:

The value of the red digit = 4.

Explanation:

In the above-given figure,

Given that,

the place value of 2 digits.

the number is 84.

so the value of the red digit = 4.

Question 5.

Answer:

The value of the red digit = 6.

Explanation:

In the above-given figure,

Given that,

the place value of 2 digits.

the number is 65.

so the value of the red digit = 6

**Compare 2-Digit Numbers Using Symbols**

Compare. Write >, <, or =.

Question 6.

Answer:

42 is greater than 37.

Explanation:

In the above-given question,

given that,

The numbers are 37, 42.

42 is greater than 37.

Question 7.

Answer:

40 is less than 33.

Explanation:

In the above-given question,

given that,

The numbers are 33, 40.

40 is less than 33.

### Numbers to 1,000 Vocabulary Builder

**Visualize It**

Fill in the boxes of the graphic organizer.

Write sentences using fewer and more.

Answer:

Fewer.

9 pens are fewer than 11 pens.

3 pens are fewer than 6 pens.

More:

11 pens are more than 9 pens.

6 pens are more than 3 pens.

Explanation:

In the above-given figure,

given that the words more and fewer.

Fewer.

9 pens are fewer than 11 pens.

3 pens are fewer than 6 pens.

More:

11 pens are more than 9 pens.

6 pens are more than 3 pens.

**Understand Vocabulary**

Use the review words. Complete the sentences.

Question 1.

3 and 9 are digits in the number 39.

Answer:

3 and 9 are digits in the number 39.

Explanation:

In the above-given question,

given that,

3 and 9 are digits in the number 39.

Question 2.

7 is in the _ones__ place in the number 87.

Answer:

7 is in the ones place in the number 87.

Explanation:

In the above-given figure,

given that the place values.

7 is in the ones place in the number 87.

Question 3.

8 is in the ___ place in the number 87.

Answer:

8 is in the tens place in the number 87.

Explanation:

In the above-given figure,

given that the place values.

8 is in the tens place in the number 87.

### Numbers to 1,000 Game: Fish for Digits

**Materials**

Play with a partner.

1. Name a place for a digit. You can say tens place or ones place. Toss the

2. Match the number on the and the place that you named with a fish.

3. Put a on that fish. Take turns.

4. Match all the fish. The player with more on the board wins.

Answer:

1.The dice is in the tens place.

2. The dice named with the fish is 53.

3. The red on the fish is 53.

Explanation:

1.The dice is in the tens place.

2. The dice named with the fish is 53.

3. The red on the fish is 53.

### Numbers to 1,000 Vocabulary Game

**Going Places with GOMATH! Words**

**Guess the Word**

For 3 to 4 players

**Materials**

• timer

**How to Play**

1. Take turns to play.

2. Choose a math word, but do not say it aloud.

3. Set the timer for 1 minute.

4. Give a one-word clue about your word. Give each player one chance to guess your word.

5. If nobody guesses correctly, repeat Step 4 with a different clue. Repeat until a player guesses the word or time runs out.

6. The first player to guess the word gets 1 point. If the player can use the word in a sentence, he or she gets 1 more point. Then that player gets a turn.

7. The first player to score 5 points wins.

**The Write Way**

**Reflect**

Choose one idea. Write about it in the space below.

- Draw and write about all the different ways you can show the number 482. Use a separate piece of paper for your drawing.
- Explain how to compare two numbers.
- Write sentences that include at least two of these terms.

Answer:

a. 400 + 80 + 2.

400 + 0 + 82.

300 + 180 + 2

200 + 280 + 2

100 + 380 + 2

b. 9 is greater than 3.

6 is less than 10.

c. 2 is in the tens place is the digit 27.

400 + 80 + 2 is equal to the 482.

Explanation:

In the above-given question,

Given words are placed value, is equal to, hundreds, and thousands.

a. 400 + 80 + 2.

400 + 0 + 82.

300 + 180 + 2

200 + 280 + 2

100 + 380 + 2

b. 9 is greater than 3.

6 is less than 10.

c. 2 is in the tens place is the digit 27.

400 + 80 + 2 is equal to the 482.

### Lesson 2.1 Group Tens as Hundreds

**Essential Question**

How do you group tens as hundreds?

Answer:

Ten groups of 10’s are 100.

Explanation:

In the above-given question,

give that,

group 10’s as 100.

so 10 groups of 10’s are 100.

**Listen and Draw**

Circle groups of ten. Count the groups of ten.

Answer:

Ten groups of 10’s are 100.

Explanation:

In the above-given question,

give that,

group 10’s as 100.

so 10 groups of 10’s are 100.

**Math Talk**

**MATHEMATICAL PRACTICES**

**Describe** How many ones are in 3 tens? How many ones are in 7 tens? Explain.

Answer:

30 ones are in 3 tens.

7 ones are in 7 tens.

Explanation:

In the above-given question,

given that

30 ones are in 3 tens.

7 ones are in 7 tens.

**Share and Show MATH BOARD**

Write how many tens. Circle groups of 10 tens. Write how many hundreds. Write the number.

Question 1.

Answer:

20 tens.

2 hundred.

The number is 200.

Explanation:

In the above-given figure,

given that

there are 20 tens.

2 hundred.

The number is 200.

Question 2.

Answer:

30 tens.

3 hundred.

The number is 300.

Explanation:

In the above-given figure,

given that

there are 30 tens.

3 hundred.

The number is 300.

Question 3.

Answer:

40 tens.

4 hundred.

The number is 400.

Explanation:

In the above-given figure,

given that

there are 40 tens.

4 hundred.

The number is 400.

Question 4.

Answer:

50 tens.

5 hundred.

The number is 500.

Explanation:

In the above-given figure,

given that

there are 50 tens.

5 hundred.

The number is 500.

**On Your Own**

Write how many tens. Circle groups of 10 tens. Write how many hundreds. Write the number.

Question 5.

Answer:

70 tens.

7 hundred.

The number is 700.

Explanation:

In the above-given figure,

given that

there are 70 tens.

7 hundred.

The number is 700.

Question 6.

Answer:

60 tens.

6 hundred.

The number is 600.

Explanation:

In the above-given figure,

given that

there are 60 tens.

6 hundred.

The number is 600.

Question 7.

Answer:

90 tens.

9 hundred.

The number is 900.

Explanation:

In the above-given figure,

given that

there are 90 tens.

9 hundred.

The number is 900.

Question 8.

**THINK SMARTER**

Wally has 400 cards. How many stacks of 10 cards can he make?

Answer:

Wally can make 4 stacks of 10 cards.

Explanation:

In the above-given figure,

given that

Wally has 400 cards.

wally can make 4 stacks of 10 cards.

**Problem Solving • Applications**

Solve. Write or draw to explain.

Question 9.

Mrs. Martin has 80 boxes of paper clips. There are 10 paper clips in each box. How many paper clips does she have?

800__ paper clips

Answer:

The paper clips Mrs. Martin has 800.

Explanation:

In the above-given question,

given that

Mrs. Martin has 80 boxes of paper clips.

There are 10 paper clips in each box.

The paper clips do she have = 800.

Question 10.

**THINK SMARTER**

Pencils are sold in boxes of 10 pencils. Mr. Lee needs 100 pencils. He has 40 pencils. How many boxes of 10 pencils should he buy?

__ boxes of 10 pencils

Draw a picture to explain your answer.

Answer:

6 boxes of 10 pencils should he buy.

Explanation:

In the above-given figure,

given that,

Pencils are sold in boxes of 10 pencils.

Mr. Lee needs 100 pencils.

He has 40 pencils.

6 boxes of 10 pencils should he buy.

**TAKE HOME ACTIVITY**

• Ask your child to draw a quick picture of 20 tens and then tell you how many hundreds there are.

### Group Tens as Hundreds Homework & Practice 2.1

Write how many tens. Circle groups of 10 tens. Write how many hundreds. Write the number.

Question 1.

Answer:

40 tens.

4 hundred.

The number is 400.

Explanation:

In the above-given figure,

given that

there are 40 tens.

4 hundred.

The number is 400.

Question 2.

Answer:

60 tens.

6 hundred.

The number is 600.

Explanation:

In the above-given figure,

given that

there are 60 tens.

6 hundred.

The number is 600.

**Problem Solving**

Solve. Write or draw to explain.

Question 3.

Farmer Gray has 30 flowerpots. He plants 10 seeds in each pot. How many seeds does he plant?

_300__ seeds

Answer:

The seeds do he plant = 300.

Explanation:

In the above-given figure,

given that farmer, gray has 30 flower pots.

He plants 10 seeds in each pot.

He plants 300 seeds.

Question 4.

**WRITE Math**

Ella has 50 stacks of ten pennies in each stack. Describe how to find how many pennies Ella has in all.

________50 ten_____________________________

_________5 hundreds____________________________

__________500___________________________

_____________________________________

Answer:

Ella has in all = 500.

Explanation:

In the above-given figure,

given that Ella has 50 stacks of 10 pennies in each stack.

Ella has in all = 500.

**Lesson Check**

Question 1.

Mai has 40 tens. Write how many hundreds. Write the number.

Answer:

The number is 4.

Explanation:

Given that,

Mari has 40 tens,

Mari has 4 hundred.

Question 2.

There are 80 tens. Write how many hundreds. Write the number.

Answer:

The number is 8.

Explanation:

Given that,

Mari has 80 tens,

Mari has 8 hundred.

Question 3.

Write the number equal to 5 tens and 13 ones.

Answer:

The number is 63.

Explanation:

In the above-given figure,

Given that,

The number equal to 5 tens and 13 ones.

The number is 63.

Question 4.

Count by fives.

5, 10, 15

_20_, _25_, _30_, _35__

Answer:

20, 25, 30, 35.

Explanation:

In the above-given question,

given that count by fives.

The numbers are 5, 10, and 15.

20, 25, 30, and 35.

Question 5.

Carlos has 58 pencils. What is the value of the digit 5 in this number?

__________tens_____place______________________

Answer:

The value of the digit 5 in this number is tens place.

Explanation:

In the above-given figure,

Given that,

Carlos has 58 pencils.

The value of the digit 5 in the number is tens place.

Question 6.

Circle the sum that is an even number.

2 + 3 = 5

4 + 4 = 8

5 + 6 = 11

8 + 7 = 15

Answer:

The sum that is an even number is 4 + 4 = 8.

Explanation:

In the above-given question,

Given that the numbers are

2 + 3 = 5

4 + 4 = 16

5 + 6 = 11

8 + 7 = 15.

4 + 4 = 8 is even number.

### Lesson 2.2 Explore 3-Digit Numbers

### Explore 3-Digit Numbers Homework & Practice 2.2

### Lesson 2.3 Model 3-Digit Numbers

**Essential Question**

How do you show a 3-digit number using blocks?

Answer:

3 packs of blocks are 300.

Explanation:

In the above-given question,

given that

we show a 3-digit number by using blocks.

we use 3 packs of blocks.

300.

**Listen and Draw**

Use Draw to show what you did.

**Math Talk**

**MATHEMATICAL PRACTICES**

If Jack had 14 tens, how many hundreds and tens would he have? Explain

**Model and Draw**

In the number 348, the 3 is in the hundreds place, the 4 is in the tens place, and the 8 is in the ones place.

Answer:

The number is 348.

Explanation:

In the above-given figure,

given that,

number 348 in many ways.

300 + 40 + 8 = 348.

**Share and Show MATH Board**

Write how many hundreds, tens, and ones. Show with . Then draw a quick picture.

Answer:

The number is 111.

Explanation:

In the above-given figure,

given that,

number 111 with 1 hundred, 1 ten, 1 one.

100 + 10 + 1 = 111.

Question 1.

234

_2_ hundreds + _3_ tens + _4_ ones

Answer:

The number is 234.

Explanation:

In the above-given figure,

given that,

number 234 with 2 hundred, 3 ten, 4 one.

200 + 30 + 4 = 234.

Question 2.

156

_1_ hundreds + _5_ tens + _6_ ones

Answer:

The number is 156.

Explanation:

In the above-given figure,

given that,

number 156 with 1 hundred, 5 ten, 6 one.

100 + 50 + 6 = 234.

**On Your Own**

Write how many hundreds, tens, and ones.

Show with . Then draw a quick picture.

Answer:

The number is 111.

Explanation:

In the above-given figure,

given that,

number 111 with 1 hundred, 1 ten, 1 one.

100 + 10 + 1 = 111.

Question 3.

125

_1_ hundreds + _2_ tens + _5_ ones

Answer:

The number is 125.

Explanation:

In the above-given figure,

given that,

number 125 with 1 hundred, 2 ten, 5 one.

100 + 20 + 5 = 125.

Question 4.

312

_3_ hundreds + _1_ tens + _2_ ones

Answer:

The number is 312.

Explanation:

In the above-given figure,

given that,

number 312 with 3 hundred, 1 ten, 2 one.

300 + 10 + 2 = 312.

Question 5.

_6_ hundreds + _2_ tens + _3_ ones

Answer:

The number is 623.

Explanation:

In the above-given figure,

given that,

number 623 with 6 hundred, 2 ten, 3 one.

600 + 20 + 3 = 623.

Question 6.

_5_ hundreds + _1_ tens + _2_ ones

Answer:

The number is 512.

Explanation:

In the above-given figure,

given that,

number 512 with 5 hundred, 1 ten, 2 one.

500 + 10 + 2 = 512.

Question 7.

**THINK SMARTER**

Lexi needs 144 beads. A large box holds 100 beads. A medium box holds 10 beads. A small box holds 1 bead. Lexi already had 1 large box and 4 small boxes. How many medium boxes of beads does she need?

_4_ medium boxes.

Answer:

Lexi needs 4 medium boxes of beads.

Explanation:

In the above-given question,

Given that,

Lexi needs 144 beads.

A large box holds 100 beads.

a medium box holds 10 beads.

small box holds 1 bead.

so Lexi needs 4 medium boxes of beads.

100 + 10 + 10 + 10 + 10 + 4.

**Problem Solving • Applications WRITE Math**

Question 8.

**THINK SMARTER**

How are the numbers 342 and 324 alike? How are they different?

________________________

________________________

________________________

Answer:

The numbers 342 and 324 are different.

Explanation:

In the above-given question,

given that,

342 and 324 are alike.

but they are different.

in hundreds place 3 is common, but tens and ones place is different.

**MATHEMATICAL PRACTICES**

**Model with Mathematics**

write the number for the clue.

Question 9.

A model for my number has 2 hundred blocks, no tens blocks, and 3 one blocks.

My number is _203_

Answer:

My number is 203.

Explanation:

In the above-given figure,

given that,

A model for my number has 2 hundred blocks, no tens blocks, and 3 one blocks.

my number is 203.

Question 10.

A model for my number has 3 hundred blocks, 5 tens blocks, and no one’s blocks.

My number is _350_

Answer:

My number is 350.

Explanation:

In the above-given figure,

given that,

A model for my number has 3 hundred blocks, 5 tens blocks, and no one blocks.

my number is 350.

Question 11.

**THINK SMARTER**

There are 2 boxes of 100 pencils and some single pencils on the table. Choose all the numbers that show how many pencils could be on the table.

Answer:

The pencils are 203, 207.

Explanation:

In the above-given figure,

given that,

There are 2 boxes of 100 pencils and some single pencils on the table.

single pencils are 3 and 7.

The pencils are 203, 207.

**TAKE HOME ACTIVITY**

• Write the number 438. Have your child tell you the values of the digits in the number 438.

### Model 3-Digit Numbers Homework & Practice 2.3

Write how many hundreds, tens, and ones. Show with . Then draw a quick picture.

Question 1.

118

Answer:

The number is 118.

Explanation:

In the above-given figure,

given that,

number 118 with 1 hundred, 1 ten, 8 one.

100 + 10 + 8 = 118.

Question 2.

246

Answer:

The number is 246.

Explanation:

In the above-given figure,

given that,

number 246 with 2 hundred, 4 ten, 6 one.

200 + 40 + 6 = 246.

**Problem Solving**

Question 3.

Write the number that matches the clues.

• My number has 2 hundred.

• The tens digit is 9 more than the ones digit.

My number is _293__

Answer:

The number is 293.

Explanation:

In the above-given figure,

given that,

number 293 with 2 hundred, 9 ten, 3 one.

200 + 90 + 3 = 293.

Question 4.

**WRITE Math**

Write a 3-digit number using digits 2, 9, 4. Draw a quick picture to show the value of your number.

Answer:

The number is 249.

Explanation:

In the above-given figure,

given that,

number 249 with 2 hundred, 4 ten, 9 one.

200 + 40 + 9 = 249.

**Lesson Check**

Question 1.

What number is shown with these blocks?

Answer:

The number is 246.

Explanation:

In the above-given figure,

given that,

number 246 with 2 hundred, 4 ten, 6 one.

200 + 40 + 6 = 246.

**Spiral Review**

Question 2.

Write the number with the same value as 28 tens.

______0__+ ____28____+______0_______________

Answer:

The number is 28.

Explanation:

In the above-given figure,

given that,

number 28 with 0 hundred, 28 ten, 0 one.

0 + 28+ 0 = 28.

Question 3.

Describe 59 in two other ways.

_5_ tens _9_ ones _5_ + _9_

Answer:

The number is 59.

Explanation:

In the above-given figure,

given that,

number 59 with 0 hundred, 5 ten, 9 one.

0 + 5+ 9= 59.

Question 4.

Circle the odd number.

Answer:

The odd number is 11.

Explanation:

In the above-given question:

given that,

circle the odd number.

the numbers are 11, 12, 18, 20.

an odd number is 11.

Question 5.

Write the number equal to 7 tens and 3 ones.

____73__________

The number is 73.

Explanation:

In the above-given figure,

given that,

number 73 with 0 hundred, 7 ten, 3 one.

0 + 7 + 3= 73.

### Lesson 2.4 Hundreds, Tens, and Ones

**Essential Question**

How do you write the 3-digit number that is shown by a set of blocks?

**Listen and Draw**

Write the number of hundreds, tens, and ones. Then draw a quick picture.

Answer:

The number is 246.

Explanation:

In the above-given figure,

given that,

number 246 with 2 hundred, 4 ten, 6 one.

200 + 40 + 6 = 246.

Answer:

The number is 264.

Explanation:

In the above-given figure,

given that,

number 264 with 2 hundred, 6 ten, 4 one.

200 + 60 + 4 = 264.

**Math Talk**

**MATHEMATICAL PRACTICES**

**Describe** how the two numbers are alike.

**Describe** how they are different.

**Share and Show MATH BOARD**

Write how many hundreds, tens, and ones are in the model. Write the number in two ways.

Question 1.

Answer:

The number is 160.

Explanation:

In the above-given figure,

given that,

number 160 with 1 hundred, 6 ten, 0 one.

100 + 60 + 0 = 160.

Question 2.

Answer:

The number is 225.

Explanation:

In the above-given figure,

given that,

number 225 with 2 hundred, 2 ten, 5 one.

200 + 20 + 5 = 225.

Question 3.

Answer:

The number is 239.

Explanation:

In the above-given figure,

given that,

number 239 with 2 hundred, 3 ten, 9 one.

200 + 30 + 9 = 239.

**On Your Own**

Write how many hundreds, tens, and ones are in the model. Write the number in two ways.

Question 4.

Answer:

The number is 304.

Explanation:

In the above-given figure,

given that,

number 304 with 3 hundred, 0 ten, 4 one.

300 + 0 + 4 = 304.

Question 5.

Answer:

The number is 378.

Explanation:

In the above-given figure,

given that,

number 378 with 3 hundred, 7 ten, 8 one.

300 + 7 + 8 = 378.

Question 6.

Answer:

The number is 426.

Explanation:

In the above-given figure,

given that,

number 426 with 4 hundred, 2 ten, 6 one.

400 + 2 + 6 = 426.

Solve. Write or draw to explain.

Question 7.

**THINK SMARTER** A model for my number has 4 ones blocks, 5 tens blocks, and 7 hundreds blocks. What number am I?

Answer:

The number is 754.

Explanation:

In the above-given figure,

given that,

number 754 with 7 hundred, 5 ten, 4 one.

700 + 5 + 4 = 754.

**Problem Solving • Applications**

Question 8.

**GO DEEPER**

The hundreds digit of my number is greater than the tens digit. The ones digit is less than the tens digit. What could my number be? Write it in two ways.

__3__ + _2___ + __1__

_321___

Answer:

The number is 321.

Explanation:

In the above-given figure,

given that,

number 321 with 3 hundred, 2 ten, 1 one.

300 + 2 + 1 = 321.

Question 9.

**THINK SMARTER**

Karen has these bags of marbles. How many marbles does Karen have?

___ marbles

Explain how you used the picture to find the number of marbles Karen has.

________200___+___30____+_____0______________

__________230___________________________

_____________________________________

Answer:

230 marbles.

Explanation:

In the above-given question,

Given that,

Karen has 2 bags with 100 marbles.

3 bags of 10 marbles.

Karen has 230 marbles.

**TAKE HOME ACTIVITY**

• Say a 3-digit number, such as 546.

Have your child draw a quick picture for that number.

Answer:

The number is 546.

Explanation:

In the above-given figure,

given that,

number 546 with 5 hundred, 4 ten, 3 one.

500 + 4 + 6 = 546.

### Hundreds, Tens, and Ones homework & Practice 2.4

Write how many hundreds, tens, and ones are in the model. Write the number in two ways.

Question 1.

Answer:

The number is 143.

Explanation:

In the above-given figure,

given that,

number 143 with 1 hundred, 4 ten, 3 one.

100 + 4 + 3 = 143.

Question 2.

Answer:

The number is 245.

Explanation:

In the above-given figure,

given that,

number 245 with 2 hundred, 4 ten, 5 one.

200 + 4 + 5 = 245.

**Problem Solving**

Question 3.

Write the number that answers the riddle. Use the chart. A model for my number has 6 ones blocks, 2 hundreds blocks, and 3 tens blocks. What number am I?

Answer:

The number is 236.

Explanation:

In the above-given figure,

given that,

number 236 with 2 hundred, 3 ten, 6 one.

200 + 3 + 6 = 236.

Question 4.

**WRITE Math** Write a number that has a zero in the tens place. Draw a quick picture for your number.

Answer:

The number is 206.

Explanation:

In the above-given figure,

given that,

number 206 with 2 hundred, 0 ten, 6 one.

200 + 0 + 6 = 206.

**Lesson Check**

Question 1.

Write the number 254 as a sum of hundreds, tens, and ones.

Answer:

The number is 254.

Explanation:

In the above-given figure,

given that,

number 254 with 2 hundred, 5 ten, 4 one.

200 + 5 + 4 = 254.

Question 2.

Write the number 307 as a sum of hundreds, tens, and ones.

Answer:

The number is 307.

Explanation:

In the above-given figure,

given that,

number 307 with 3 hundred, 0 ten, 7 one.

300 + 0 + 7 = 307.

**Spiral Review**

Question 3.

Describe 83 in two other ways.

_8__ tens _3_ ones

__80_ + _3__

Answer:

The number is 83.

Explanation:

In the above-given figure,

given that,

number 83 with 8 ten, 3 one.

80+ 3 = 83.

Question 4.

Write 86 in words.

__Eightysix________

Answer:

The number is 86.

Explanation:

In the above-given figure,

given that,

number 86 with 8 ten, 6 one.

80+ 6 = 86.

Question 5.

Write the number with the same value as 32 tens.

_________________

Answer:

The number is 32.

Explanation:

In the above-given figure,

given that,

number 32 with 32 ten, 0 one.

32+ 0 = 32.

Question 6.

Circle the odd number.

Answer:

An odd number is 17.

Explanation:

In the above-given question,

given numbers are:

2, 6, 10, and 17.

17 is an odd number.

### Lesson 2.5 Place Value to 1,000

**Essential Question**

How do you know the values of the digits in numbers?

**Listen and Draw**

Write the numbers. Then draw quick pictures.

__ sheets of color paper

Answer:

Sheets of color paper = 203.

Explanation:

In the above-given question,

given that,

draw a quick picture.

so, I am assuming 203.

__ sheets of plain paper

Answer:

Sheets of plain paper = 543.

Explanation:

In the above-given question,

given that,

draw a plain picture.

so, I am assuming 543.

**Math Talk**

**MATHEMATICAL PRACTICES**

Describe how 5 tens is different from 5 hundred.

**Model and Draw**

The place of a digit in a number tells its value.

The 3 in 327 has a value of 3 hundred, or 300.

The 2 in 327 has a value of 2 tens, or 20.

The 7 in 327 has a value of 7 ones, or 7.

There are 10 hundreds in 1 thousand

The 1 is in the thousands place and has a value of 1 thousand.

**Share and Show**

Circle the value or the meaning of the red digit.

Question 1.

702

Answer:

The value of the red digit is 2 ones.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 2 ones.

Question 2.

459

Answer:

The value of the red digit is 50.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 5 tens.

Question 3.

362

Answer:

The value of the red digit is 300.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 3 hundred.

**On Your Own**

Circle the value or the meaning of the red digit.

Question 4.

549

Answer:

The value of the red digit is 40.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 4 tens.

Question 5.

607

Answer:

The value of the red digit is 7ones.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 7 ones.

Question 6.

1,000

Answer:

The value of the red digit is 1 thousand.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 1 thousand.

Question 7.

914

Answer:

The value of the red digit is 9 hundred.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 9 hundred.

Question 8.

**THINK SMARTER**

The value of the ones digit in George’s favorite number is 2. The value of the hundreds digit is 600 and the value of the tens digit is 90. Write George’s favorite number.

_692___

Answer:

George’s favorite number is 692.

Explanation:

In the above-given question,

Given that,

The value of the one-digit in George’s favorite number is 2.

The value of the hundreds digit is 600.

value of the tens digit is 90.

George’s favorite number is 692.

Question 9.

**GO DEEPER**

Write the number that matches the clues.

- The value of my hundreds digit is 300.
- The value of my tens digit is 0.
- The value of my ones digit is an even number greater than 7.

The number is _308___

Answer:

The number is 308.

Explanation:

In the above-given question,

given that,

The value of my hundred digits is 300.

value of my tens digit is 0.

value of my one digit is an even number greater than 7 is 8.

The number is 308.

**Problem Solving • Applications**

Question 10.

**THINK SMARTER**

Ty is making a Venn diagram. Where in the diagram should he write the other numbers?

Answer:

The numbers with a 5 in the tens place are 152, 454, 257, 352, and 250.

The numbers with a 2 in the hundreds place are 215, 257, 205, and 250.

Explanation:

In the above-given figure,

given that,

The numbers are 152, 215, 454, 257, 352, 205, and 250.

In a Venn diagram,

The numbers with a 5 in the tens place are 152, 454, 257, 352, and 250.

The numbers with a 2 in the hundreds place are 215, 257, 205, and 250.

Question 11.

**MATHEMATICAL PRACTICE**

**Apply** Describe where 752 should be written in the diagram. Explain your answer.

__________________

_________________________

_________________________

Answer:

The number 752 should be written in the numbers with a 5 in the tens place.

Explanation:

In the above-given question,

Given that,

the number 752 should be written in the Venn diagram.

The number 752 should be written in the numbers with a 5 in the tens place.

Question 12.

**THINK SMARTER**

Fill in the bubble next to all the numbers that have the digit 4 in the tens place

Answer:

The numbers that have the digit 4 in the tens place are 149, 342.

Explanation:

In the above-given question,

given that,

the numbers that have the digit 4 in the tens place.

The numbers that have the digit 4 in the tens place are 149, 342.

**TAKE HOME ACTIVITY**

• Ask your child to write 3-digit numbers, such as “a number with 2 hundreds” and “a number with a 9 in the ones place.”

### Place Value to 1,000 Homework & Practice 2.5

Circle the value or the meaning of the underlined digit.

Question 1.

Answer:

The value of the underlined digit is 30.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 3 tens.

Question 2.

Answer:

The value of the underlined digit is 2 ones.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 2 ones.

Question 3.

Answer:

The value of the underlined digit is 5 hundred.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 5 hundred.

Question 4.

Answer:

The value of the underlined digit is 7 ones.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 7 ones.

Question 5.

Answer:

The value of the underlined digit is 5 hundred.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 5 hundred.

**Problem Solving**

Question 6.

Write the 3-digit number that answers the riddle.

Answer:

The number is 454.

Explanation:

In the above-given figure,

Given that,

I have the same hundreds of digits as one digit.

The value of my tens digit is 50.

The value of my ones digit is 4.

So the number is 454.

- I have the same hundreds digit as ones digit.
- The value of my tens digit is 50.
- The value of my ones digit is 4. The number is ____

Question 7.

**WRITE Math** What is the value of 5 in 756? Write and draw to explain how you know.

_________________________

_________________________

Answer:

The value of 5 in 756 = 50.

Explanation:

In the above-given question,

given that,

the number is 756.

7 is in the hundreds place.

6 is in one place.

so the value of 5 in 756 is tens place.

**Lesson Check**

Question 1.

What is the value of the underlined digit?

Answer:

The value of the underlined digit is 3 hundred.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 3 hundred.

Question 2.

What is the meaning of the underlined digit?

Answer:

The value of the underlined digit is 4 tens.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 4 tens.

**Spiral Review**

Question 3.

What number can be written as 40 + 5?

_________45________________

Answer:

The number can be written as 45.

Explanation:

In the above-given question,

given that,

the number is 40 + 5.

so the number can be written as 45.

Question 4.

What number has the same value as 14 tens?

____140_____________________

Answer:

The number can be written as 140.

Explanation:

In the above-given question,

given that,

the number is 100+ 40.

so the number can be written as 140.

Question 5.

Write the number described by 1 ten 16 ones.

_______26__________________

Question 6.

Circle the even number.

Answer:

The even number is 16.

Explanation:

In the above-given question,

given that

the numbers are 7, 16, 21, and 25.

7, 21, and 25 are odd numbers.

16 is an even number.

### Lesson 2.6 Number Names

**Essential Question**

How do you write 3-digit numbers using words?

**Listen and Draw**

Write the missing numbers in the chart. Then find and circle the word form of these numbers below.

Answer:

The missing numbers in the chart are 11, 14, 29, 35, 46, and 52.

Explanation:

In the above-given figure,

given that,

The missing numbers are 11, 14, 29, 35, 46, and 52.

circle the word form of the numbers below.

**HOME CONNECTION**

• In this activity, your child reviewed the word form of numbers less than 100.

**Math Talk**

**MATHEMATICAL PRACTICES**

Explain Describe how to use words to write the number with a 5 in the tens place and a 7 in the ones place.

Answer:

The number is 57.

Explanation:

In the above-given figure,

given that,

the number with a 5 in the tens place and a 7 in the one’s place is 57.

**Model and Draw**

You can use words to write 3-digit numbers. First, look at the hundreds digit. Then, look at the tens digit and ones digit together.

**Share and Show MATH Board**

Write the number using words.

Question 1.

506

Answer:

The number is 506.

Explanation:

In the above-given figure,

given that, the number is 506.

so we have to write five hundred six.

Question 2.

189

__One hundred____Eighty-nine.____

Answer:

The number is 189.

Explanation:

In the above-given figure,

given that, the number is 189.

so we have to write one hundred eighty-nine.

Question 3.

328

__________

Answer:

The number is 328.

Explanation:

In the above-given figure,

given that, the number is 328.

so we have to write three hundred twenty-eight.

Write the number

Question 4.

four hundred fifteen

Answer:

The number is 415

Explanation:

In the above-given figure,

given that, the number is 415

so we have to write 415.

Question 5.

two hundred ninety-one

___491_______

Answer:

The number is 291.

Explanation:

In the above-given figure,

given that, the number is 291.

so we have to write 291.

Question 6.

six hundred three

____603______

Answer:

The number is 603.

Explanation:

In the above-given figure,

given that, the number is 603.

so we have to write 603.

Question 7.

eight hundred forty-seven

___847_______

Answer:

The number is 847.

Explanation:

In the above-given figure,

given that, the number is 847.

so we have to write 847.

**On Your Own**

Write the number

Question 8.

seven hundred seventeen

__717____

Answer:

The number is 717.

Explanation:

In the above-given figure,

given that, the number is 717.

so we have to write 717.

Question 9.

three hundred ninety

__390____

Answer:

The number is 390.

Explanation:

In the above-given figure,

given that, the number is 390.

so we have to write 390.

Write the number using words.

Question 10.

568

__five hundred sixty-eight.________

Answer:

The number is five hundred sixty-eight

Explanation:

In the above-given figure,

given that, the number is five hundred sixty-eight.

so we have to write five hundred sixty-eight.

Question 11.

321

__ three hundred twenty-one.________

Answer:

The number is three hundred twenty-one.

Explanation:

In the above-given figure,

given that, the number is three hundred twenty-one.

so we have to write three hundred twenty one.

Question 12.

**GO DEEPER** My 3-digit number has a 4 in the hundreds place. It has a greater digit in the tens place than in the ones place. The sum of the digits is 6.

What is my number? ___420___________

Write the number using words. _four hundred twenty.__________

Answer:

The number is 420.

Explanation:

In the above-given question,

given that,

the 3-digit number has a 4 in the hundreds place.

It has a greater digit in the tens place than in the ones place.

The sum of digits is 6.

The number is 420.

Question 13.

**THINK SMARTER** Alma counts two hundred sixty-eight leaves. Which is another way to write this number? Circle your answer.

Answer:

The number is 200 + 60 + 8.

Explanation:

In the above-given question,

given that,

Alma counts two hundred sixty-eight leaves.

Another way to write this number is 200 + 60 + 8.

**Problem Solving • Applications**

**Connect Symbols and Words**

Circle the answer for each problem.

Question 14.

Derek counts one hundred ninety cars. Which is another way to write this number?

Answer:

The number is 100 + 90 + 0.

Explanation:

In the above-given question,

given that,

Derek counts one hundred ninty.

The another way to write this number is 100 + 90 + 0.

Question 15.

Beth counted three hundred fifty-six straws. Which is another way to write this number?

3 + 5 + 6

30 + 50 + 60

300 + 50 + 6

Answer:

The number is 300 + 50 + 6.

Explanation:

In the above-given question,

given that,

Derek counts Three hundred fifty-six straws.

The another way to write this number is 300 + 50 + 6.

Question 16.

**THINK SMARTER**

There are 537 chairs at the school. Write this number using words.

Show the number in two other ways.

Answer:

The number is 500 + 30 + 7.

Explanation:

In the above-given question,

given that,

Derek counts five hundred thirty-seven straws.

The another way to write this number is 500 + 30 + 7.

**TAKE HOME ACTIVITY**

• Ask your child to write the number 940 using words.

### Number Names Homework & Practice 2.6

Write the number

Question 1.

two hundred thirty-two

____232______

Answer:

The number is 232.

Explanation:

In the above-given figure,

given that, the number is 232.

so we have to write two hundred thirty-two.

Question 2.

five hundred forty-four

_544_____

Answer:

The number is 544.

Explanation:

In the above-given figure,

given that, the number is 544.

so we have to write five hundred forty-four.

Question 3.

one hundred fifty-eight

____158_____

Answer:

The number is 158.

Explanation:

In the above-given figure,

given that, the number is 158.

so we have to write one hundred fifty-eight.

Question 4.

nine hundred fifty

__950____

Answer:

The number is 950.

Explanation:

In the above-given figure,

given that, the number is 950.

so we have to write nine hundred fifty.

Question 5.

four hundred twenty

___420________

Answer:

The number is 420.

Explanation:

In the above-given figure,

given that, the number is 420.

so we have to write four hundred twenty.

Question 6.

six hundred seventy-eight

__678____

Answer:

The number is 678.

Explanation:

In the above-given figure,

given that, the number is 678.

so we have to write six hundred seventy eight.

Write the number using words.

Question 7.

317

_Three hundred seventeen._

Answer:

The number is 317.

Explanation:

In the above-given figure,

given that, the number is 317.

so we have to write three hundred seventeen.

**Problem Solving**

Circle the answer.

Question 8.

Six hundred twenty-six children attend Elm Street School. Which is another way to write this number?

Answer:

The number is 600 + 20 + 6.

Explanation:

In the above-given question,

given that,

six hundred twenty-six attend EIm street school.

Another way to write this number is 600 + 20 + 6.

Question 9.

**WRITE Math** Write a 3-digit number using the digits 5, 9, and 2. Then write your number using words.

_________592.____________________________

Answer:

The number is Five hundred ninety-two.

Explanation:

In the above-given question,

given that,

The number is Five hundred ninety-two.

Another way to write this number is 500 + 90 + 2.

**Lesson Check**

Question 1.

Write the number 851 in words.

_eight hundred fifty-one.___________

Answer:

The number is eight hundred fifty-one.

Explanation:

In the above-given question,

given that,

The number is Five hundred fifty-one.

Another way to write this number is 500 + 50 + 1.

Question 2.

Write the number two hundred sixty using numbers.

___260_________

Answer:

The number is 260.

Explanation:

In the above-given question,

given that,

The number is two hundred sixty.

Another way to write this number is 200 + 60 + 0.

**Spiral Review**

Question 3.

Write a number with the digit 8 in the tens place.

____284_________

Answer:

The number is 284.

Explanation:

In the above-given question,

given that,

The number is two hundred eighty-four.

Another way to write this number is 200 + 80 + 4.

Question 4.

Write the number shown with these blocks.

Answer:

The number is 245.

Explanation:

In the above-given figure,

given that,

number 245 with 2 hundred, 4 ten, 5 one.

200 + 40 + 5 = 245.

Question 5.

Count by fives.

650, 655,

_660__, _665___, _670__

Answer:

The numbers are 660, 665, and 670.

Explanation:

In the above-given figure,

given numbers are,

650, 655.

so the numbers are 660, 665, and 670.

Question 6.

Sam has 128 marbles. How many hundreds are in this number?

_1_ hundred.

Answer:

One hundred.

Explanation:

In the above-given question,

given that,

Sam has 128 marbles.

there is one hundred in this number.

### Lesson 2.7 Different Forms of Numbers

**Essential Question**

What are three ways to write a 3-digit number?

**Listen and Draw**

Write the number. Use the digits to write how many hundreds, tens, and ones.

**Math Talk
MATHEMATICAL PRACTICES**

How many hundreds are in 368? Explain.

**Model and Draw**

You can use a quick picture to show a number. You can write a number in different ways.

Read the number and draw a quick picture. Then write the number in different ways.

Question 1.

four hundred seven

___ hundreds __ tens ___ ones

___ + ___ + ___

______

Answer:

The number is 407.

Explanation:

In the above-given question,

given that,

the number is four hundred seven.

400 + 0 + 7.

Question 2.

three hundred twenty-five

___ hundreds __ tens ___ ones

___ + ___ + ___

______

Answer:

The number is 325.

Explanation:

In the above-given question,

given that,

the number is three hundred twenty-five.

300 + 20 + 5.

Question 3.

two hundred fifty-three

_2__ hundreds _5_ tens _3__ ones

200___ + _50__ + _3__

__253____

Answer:

The number is 253.

Explanation:

In the above-given question,

given that,

the number is two hundred fifty-three.

200 + 50 + 3.

**On Your Own**

Read the number and draw a quick picture. Then write the number in different ways.

Question 4.

one hundred seventy-two

___ hundreds __ tens ___ ones

___ + ___ + ___

______

Answer:

The number is 172.

Explanation:

In the above-given question,

given that,

the number is one hundred seventy-two.

100 + 70 + 2.

Question 5.

three hundred forty-six

___ hundreds __ tens ___ ones

___ + ___ + ___

______

Answer:

The number is 546.

Explanation:

In the above-given question,

given that,

the number is five hundred forty-six.

500 + 40 + 6.

Question 6.

**THINK SMARTER**

Think of a 3-digit number with a zero in the ones place. Use words to write that number.

___Five__hundred_____forty.___________

Answer:

The number is five hundred forty.

Explanation:

In the above-given question,

given that,

the number is five hundred forty.

500 + 40 + 0.

Question 7.

**THINK SMARTER**

Ellen used these blocks to show 452. What is wrong? Cross out blocks and draw quick pictures for missing blocks.

Answer:

The number is four hundred fifty-two.

Explanation:

In the above-given question,

given that,

one hundred blocks are missing, no one’s block.

400 + 50 + 2.

**TAKE HOME ACTIVITY**

• Ask your child to show the number 315 in three different ways.

### Different Forms of Numbers Homework & Practice 2.7

Read the number and draw a quick picture. Then write the number in different ways.

Question 1.

two hundred fifty-one

___ hundreds ___ tens ___one

___ + ____ + _____

_________

Answer:

The number is 2 hundreds 5 tens 1 ones.

200 + 50 + 1.

Explanation:

In the above-given question,

given that,

the number is two hundred fifty-one.

200 + 50 + 1.

Question 2.

three hundred twelve

___ hundreds ___ tens ___one

___ + ____ + _____

_________

Answer:

The number is 3 hundreds 0 tens 12 ones.

300 + 0 + 12.

312.

Explanation:

In the above-given question,

given that,

the number is three hundred twelve.

300 + 0 + 12.

**Problem Solving**

Write the number another way.

Question 3.

200 + 30 + 7

_237________

Answer:

The number is 2 hundreds 30 tens 7 ones.

200 + 30 + 7.

237.

Explanation:

In the above-given question,

given that,

the number is two hundred thirty-seven.

200 + 30 + 7.

Question 4.

895

__800 + 90 + 5_______

Answer:

The number is 8 hundreds 9 tens 5 ones.

800 + 90 + 5.

895.

Explanation:

In the above-given question,

given that,

the number is eight hundred ninety-five.

800 + 90 + 5.

Question 5.

**WRITE Math**

Draw a quick picture of 3 hundreds, 5 tens, and 7 ones. What number does your quick picture show? Write it in three different ways.

Answer:

The number is 3 hundreds 5 tens 7 ones.

300 + 50 + 7.

357.

Explanation:

In the above-given question,

given that,

the number is three hundred fifty-seven.

300 + 50 + 7.

**Lesson Check**

Question 1.

Write the number 392 as hundreds, tens, and ones.

__3__ hundreds __9_ tens _2_ ones

Answer:

The number is 3 hundreds 9 tens 2 ones.

300 + 90 + 2.

Explanation:

In the above-given question,

given that,

the number is three hundred ninety-two.

300 + 90 + 2.

Question 2.

What is another way to write the number 271?

__2__ hundreds __7_ tens _1_ ones

Answer:

The number is 2 hundreds 7 tens 1 ones.

200 + 70 + 1.

Explanation:

In the above-given question,

given that,

the number is three hundred ninety-two.

200 + 70 + 1.

**Spiral Review**

Question 3.

What is the value of the underlined digit?

Answer:

The value of the underlined digit is 5 tens.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the underlined digit.

The value of the underlined digit is 5 tens.

Question 4.

What number is shown with these blocks?

Answer:

The number is two hundred twelve.

Explanation:

In the above-given question,

given that,

The number is two hundred twelve.

Question 5.

What is another way to write the number 75?

__70__ + _5__

Answer:

The number is 75.

Explanation:

In the above-given question:

given that,

the number is 75.

70 + 5 = 75.

Question 6.

What number can be written as 60 + 3?

__63_____

Answer:

The number is 63.

Explanation:

In the above-given question:

given that,

the number is 63.

60 + 3 = 63.

### Numbers to 1,000 Mid-Chapter Checkpoint

**Concepts and Skills**

Circle tens to make 1 hundred. Write the number in different ways.

Question 1.

Answer:

the number is1 hundred 3 tens.

Explanation:

In the above-given figure,

given that,

the tens are 13.

the number is i hundred 3 tens.

Write how many hundreds, tens, and ones are in the model. Write the number in two ways.

Question 2.

Answer:

the number is 2 hundred 4 tens 3 ones.

Explanation:

In the above-given figure,

given that,

the tens are 243.

the number is 2 hundred 4 tens 3 ones.

Circle the value or the meaning of the red digit.

Question 3.

Answer:

The value of the red digit is 5 hundred.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 5 hundred.

Question 4.

Answer:

The value of the red digit is 4 ones.

Explanation:

In the above-given question,

given that,

circle the value or the meaning of the red digit.

The value of the red digit is 4 ones.

Question 5.

**THINK SMARTER**

Write the number six hundred forty-five in another way.

Answer:

The number is 645.

Explanation:

In the above-given question,

given that,

the number is six hundred forty-five.

600 + 40 + 5.

### Lesson 2.8 Algebra • Different Ways to Show Numbers

**Essential Question**

How can you use blocks or quick pictures to show the value of a number in different ways?

**Listen and Draw**

Draw quick pictures to solve. Write how many tens and ones.

____ tens ____ ones

___ tens __ ones

**Math Talk
MATHEMATICAL PRACTICES**

**Model**

Describe how you found different ways to show 35 books.

**Model and Draw**

Here are two ways to show 148.

**Share and Show**

Write how many hundreds, tens, and ones are in the model.

Question 1.

213

Answer:

a.There are 2 hundreds 1 tens 3 ones.

Explanation:

In the above-given figure,

given that,

the number is 213.

There are 2 hundreds 0 tens 13 ones.

Answer:

b.There are 2 hundreds 0 tens 13 ones.

Explanation:

In the above-given figure,

given that,

the number is 213.

There are 2 hundreds 0 ten13 ones.

Question 2.

132

Answer:

a.There are 1 hundreds 3 tens 2 ones.

Explanation:

In the above-given figure,

given that,

the number is 132.

There are 1 hundreds 3 ten 2 ones.

Answer:

b.There are 1 hundreds 2 tens 12 ones.

Explanation:

In the above-given figure,

given that,

the number is 132

There are 1 hundreds 2 ten12 ones.

**On Your Own**

Write how many hundreds, tens, and ones are in the model.

Question 3.

144

Answer:

a.There are 1 hundred 4 tens 4 ones.

Explanation:

In the above-given figure,

given that,

the number is 144.

There are 1 hundred 4 ten 4 ones.

Answer:

b.There are 1 hundred 3 tens 14 ones.

Explanation:

In the above-given figure,

given that,

the number is 144.

There are 1 hundreds 3 ten14 ones.

Question 4.

204

Answer:

a.There are 1 hundreds 10 tens 4 ones.

Explanation:

In the above-given figure,

given that,

the number is 204.

There are 1 hundreds 10 ten 4 ones.

Answer:

b.There are 2 hundreds 0 tens 4 ones.

Explanation:

In the above-given figure,

given that,

the number is 204.

There are 2 hundreds 0 ten 4 ones.

Question 5.

**MATHEMATICAL PRACTICE**

**Make Arguments**

Sue said that 200 + 20 + 23 is the same as 200 + 30 + 3. Is she correct? Explain.

_____________________

_____________________

_____________________

Answer:

No sue was not correct.

Explanation:

In the above-given question,

Given that,

Sue said that 200 + 20 + 23 is the same as 200 + 30 + 3.

200 + 20 + 23 = 243.

200 + 30 + 3 = 233.

No sue was not correct.

**Problem Solving • Applications WRITE Math**

Marbles are sold in boxes, in bags, or as single marbles. Each box has 10 bags of marbles in it. Each bag has 10 marbles in it.

Answer:

A number of marbles = 100.

Explanation:

In the above-given question,

given that,

Marbles are sold in boxes, in bags, or as single marbles.

Each box has 10 bags of marbles in it.

Each bag has 10 marbles in it.

A number of marbles = 100.

Question 6.

**THINK SMARTER**

Draw pictures to show two ways to buy 324 marbles.

Answer:

a.There are 3 hundreds 2 tens 4 ones.

300 + 20 + 4.

Three hundred twenty-four.

Explanation:

In the above-given figure,

given that,

the number is 324.

There are 3 hundreds 2 tens 4 ones.

300 + 20 + 4.

Three hundred twenty-four.

Question 7.

**THINK SMARTER**

There is only one box of marbles in the store. There are many bags of marbles and single marbles. Draw a picture to show a way to buy 312 marbles.

How many boxes, bags, and single marbles did you show?

_____________________________________

_____________________________________

Answer:

A number of marbles = 312.

Explanation:

In the above-given question,

given that,

Marbles are sold in boxes, in bags, or as single marbles.

Each box has 10 bags of marbles in it.

Each bag has 10 marbles in it.

A number of marbles = 312.

**TAKE HOME ACTIVITY**

• Write the number 156. Have your child draw quick pictures of two ways to show this number.

Answer:

The number is 156.

Explanation:

In the above-given question,

given that,

the number is 156.

100 + 50 + 6 = 156.

100 + 40 + 16 = 156.

### Algebra • Different Ways to Show Numbers Homework & Practice 2.8

Write how many hundreds, tens, and ones are in the model.

Question 1.

135

Answer:

a.There are 1 hundred 3 tens 5 ones.

Explanation:

In the above-given figure,

given that,

the number is 135.

There are 1 hundred 3 tens 5 ones.

Answer:

b.There are 1 hundred 2 tens 15 ones.

Explanation:

In the above-given figure,

given that,

the number is 135.

There are 1 hundreds 2 ten15 ones.

**Problem Solving**

Markers are sold in boxes, packs, or as single markers. Each box has 10 packs. Each pack has 10 markers.

Question 2.

Draw pictures to show two ways to buy 276 markers.

Answer:

A number of marbles = 276.

Explanation:

In the above-given question,

given that,

Marbles are sold in boxes, in bags, or as single marbles.

Each box has 10 bags of marbles in it.

Each bag has 10 marbles in it.

A number of marbles = 276.

Question 3.

WRITE Math Draw quick pictures to show the number 326.

Answer:

The number is three hundred twenty-six.

Explanation:

In the above-given question,

given that,

The number is three hundred twenty-six.

**Lesson Check**

Question 1.

Write the number that can be shown with this many hundreds, tens, and ones.

Answer:

the number is 1 hundred 2 tens 18 ones.

one hundred thirty-eight.

Explanation:

In the above-given figure,

given that,

the tens are 138.

the number is 1 hundred 2 tens 18 ones.

one hundred thirty-eight.

Question 2.

Write the number that can be shown with this many hundreds, tens, and ones.

Answer:

the number is 2 hundred 15 tens 6 ones.

two hundred twenty-one.

Explanation:

In the above-given figure,

given that,

the tens are 221.

the number is 2 hundred 15 tens 6 ones.

two hundred twenty-one.

**Spiral Review**

Question 3.

What number can be written as 6 tens 2 ones?

__62_____

Answer:

The number is 62.

Explanation:

In the above-given question:

given that,

the number is 62.

60 + 2 = 62.

Question 4.

What number can be written as 30 + 2?

___32____

Answer:

The number is 32.

Explanation:

In the above-given question:

given that,

the number is 32.

30 + 2 = 32.

Question 5.

Write the number 584 in words.

_five hundred __eighty-four.___

Answer:

the number is 5 hundred 8 tens 4 ones.

five hundred eighty-four.

Explanation:

In the above-given figure,

given that,

the tens are 584.

the number is 5 hundred 8 tens 4 ones.

five hundred eighty-four.

Question 6.

Write the number 29 in words.

__twenty- nine_______

Answer:

The number is 29.

Explanation:

In the above-given question:

given that,

the number is 29.

20 + 9 = 29.

### Lesson 2.9 Count On and Count Back by 10 and 100

**Essential Question**

How do you use place value to find 10 more, 10 less, 100 more, or 100 less than a 3-digit number?

**Listen and Draw**

Draw quick pictures for the numbers.

Answer:

10 less than girls:

The number of girls = 263.

10 less than boys:

The number of boys = 142.

Explanation:

In the above-given question,

given that,

The number of girls = 273.

10 less than = 263.

The number of boys = 152.

10 less than = 142.

**Math Talk
MATHEMATICAL PRACTICES**

Describe how the two numbers are different.

**Model and Draw**

You can show 10 less or 10 more than a number by changing the digit in the tens place.

You can show 100 less or 100 more than a number by changing the digit in the hundreds place.

**Share and Show**

Write the number

Question 1.

10 more than 648

_658______

Answer:

The number is 658.

Explanation:

In the above-given question:

given that,

10 more than 648.

The value in the 10’s digit is changed.

The number is 658.

Question 2.

100 less than 513

___413___

Answer:

The number is 413.

Explanation:

In the above-given question:

given that,

100 less than 513.

The value in the 100’s digit is changed.

The number is 413.

Question 3.

100 more than 329

___429____

Answer:

The number is 429.

Explanation:

In the above-given question:

given that,

100 more than 429.

The value in the 100’s digit is changed.

The number is 429.

Question 4.

10 less than 827

____817_____

Answer:

The number is 817.

Explanation:

In the above-given question:

given that,

10 less than 827.

The value in the 10’s digit is changed.

The number is 817.

**On Your Own**

Question 5.

10 more than 471

_____481______

Answer:

The number is 481.

Explanation:

In the above-given question:

given that,

10 more than 471.

The value in the 10’s digit is changed.

The number is 481.

Question 6.

10 less than 143

____133______

Answer:

The number is 133.

Explanation:

In the above-given question:

given that,

10 less than 143.

The value in the 10’s digit is changed.

The number is 133.

Question 7.

100 more than 555

____655_________

Answer:

The number is 655.

Explanation:

In the above-given question:

given that,

100 more than 555.

The value in the 100’s digit is changed.

The number is 655.

Question 8.

100 less than 757

_______657_____

Answer:

The number is 657.

Explanation:

In the above-given question:

given that,

100 less than 757.

The value in the 100’s digit is changed.

The number is 657.

Question 9.

100 more than 900

___1000___

Answer:

The number is 1000.

Explanation:

In the above-given question:

given that,

100 more than 900.

The value in the 100’s digit is changed.

The number is 1000.

Question 10.

10 less than 689

____679_____

Answer:

The number is 679.

Explanation:

In the above-given question:

given that,

10 less than 689.

The value in the 10’s digit is changed.

The number is 679.

Question 11.

100 less than 712

___612______

Answer:

The number is 612.

Explanation:

In the above-given question:

given that,

100 less than 712.

The value in the 100’s digit is changed.

The number is 612.

Question 12.

10 less than 254

_____244____

Answer:

The number is 244.

Explanation:

In the above-given question:

given that,

10 less than 254.

The value in the 10’s digit is changed.

The number is 244.

Question 13.

**THINK SMARTER**

Kyla wrote the riddle below. Fill in the blanks to make the sentence true.

__938___ is 10 less than 948 and 10 more than 958_____

Answer:

10 less than:

The number is 938.

10 more than:

The number is 958.

Explanation:

In the above-given question:

given that,

10 less than 948.

The value in the 10’s digit is changed.

The number is 938.

10 more than:

The number is 958.

Question 14.

**THINK SMARTER**

Rick has 10 more crayons than Lori. Lori has 136 crayons. Tom has 10 fewer crayons than Rick. How many crayons does each child have?

Answer:

Rick has 146 crayons.

tom has 126 crayons.

Lori has 136 crayons.

Explanation:

In the above-given question,

given that, Lori has 136 crayons.

Rick has 10 more crayons than Lori.

tom has 10 fewer crayons than Rick.

Rick has 146 crayons.

tom has 126 crayons.

Lori has 136 crayons.

**Problem Solving • Applications**

**Analyze Relationships**

Question 15.

Juan’s book has 248 pages. This is 10 more pages than there are in Kevin’s book. How many pages are in Kevin’s book?

_238___ pages

Answer:

In Kevin’s book, there are 238.

Explanation:

In the above-given question,

Given that,

Juan’s book has 248 pages.

This is more pages than there in kevin’s book.

Question 16.

There are 217 pictures in Tina’s book. There are 100 fewer pictures in Mark’s book. How many pictures are in Mark’s book?

_317___ pages

Answer:

In mark’s book, there are 317 pictures.

Explanation:

In the above-given question,

Given that,

There are 217 pictures in Tina’s book.

There are 100 fewer pictures in mark’s book.

In mark’s book, there are 317 pictures.

Question 17.

**GO DEEPER**

Use the clues to answer the question.

- Shawn counts 213 cars.
- Maria counts 100 fewer cars than Shawn.
- Jayden counts 10 more cars than Maria.

How many cars does Jayden count?

_123__ cars

Answer:

Jayden counts 123 cars.

Explanation:

In the above-given question,

given that,

Shawn counts 213 cars.

Maria counts 100 fewer cars than Shawn.

Jayden counts 10 more cars than Maria.

Jayden counts 123 cars.

Question 18.

**THINK SMARTER**

Rico has 235 stickers. Gabby has 100 more stickers than Rico. Thomas has 10 fewer stickers than Gabby. Write the number of stickers each child has.

Answer:

Rico has 235 stickers.

Gabby has 335 stickers.

Thomas has 325 stickers.

Explanation:

In the above-given question,

given that,

Rico has 235 stickers.

Gabby has 100 more stickers than Rico.

Thomas has 10 fewer stickers than Gabby.

Rico has 235 stickers.

Gabby has 335 stickers.

Thomas has 325 stickers.

**TAKE HOME ACTIVITY**

• Write the number 596. Have your child name the number that is 100 more than 596.

Answer:

The number is 696.

Explanation:

In the above-given question:

given that,

100 more than 596.

The value in the 100’s digit is changed.

The number is 696.

### Count On and Count Back by 10 and 100 Homework & Practice 2.9

Write the number.

Question 1.

10 more than 451

__461________

Answer:

The number is 461.

Explanation:

In the above-given question:

given that,

10 more than 451.

The value in the 10’s digit is changed.

The number is 461.

Question 2.

10 less than 770

___760______

Answer:

The number is 760.

Explanation:

In the above-given question:

given that,

10 less than 770.

The value in the 10’s digit is changed.

The number is 760.

Question 3.

100 more than 367

__467_______

Answer:

The number is 467.

Explanation:

In the above-given question:

given that,

100 more than 367.

The value in the 100’s digit is changed.

The number is 467.

Question 4.

100 less than 895

__795_______

Answer:

The number is 795.

Explanation:

In the above-given question:

given that,

100 less than 895.

The value in the 100’s digit is changed.

The number is 795.

Question 5.

10 less than 812

__802______

Answer:

The number is 802.

Explanation:

In the above-given question:

given that,

10 less than 812.

The value in the 10’s digit is changed.

The number is 802.

Question 6.

100 more than 543

___553_______

Answer:

The number is 553.

Explanation:

In the above-given question:

given that,

100 more than 543.

The value in the 100’s digit is changed.

The number is 553.

Question 7.

10 more than 218

___228______

Answer:

The number is 228.

Explanation:

In the above-given question:

given that,

10 more than 218.

The value in the 10’s digit is changed.

The number is 228.

Question 8.

100 more than 379

__389________

Answer:

The number is 389.

Explanation:

In the above-given question:

given that,

100 more than 379.

The value in the 100’s digit is changed.

The number is 389.

**Problem Solving**

Solve. Write or draw to explain.

Question 9.

Sarah has 128 stickers. Alex has 10 fewer stickers than Sarah. How many stickers does Alex have?

_118___ stickers

Answer:

Alex has 118 stickers.

Explanation:

In the above-given question,

given that,

Sarah has 128 stickers.

Alex has 10 fewer stickers than Sarah.

Alex has 118 stickers.

Question 10.

**WRITE Math**

Choose any 3-digit number. Describe how to find the number that is 10 more.

___373____

Answer:

The number is 373.

Explanation:

In the above-given question:

given that,

10 more than 363.

The value in the 10’s digit is changed.

The number is 373.

**Lesson Check**

Question 1.

Write the number that is 10 less than 526.

___516______

Answer:

The number is 516

Explanation:

In the above-given question:

given that,

10 less than 526.

The value in the 10’s digit is changed.

The number is 526.

Question 2.

Write the number that is 100 more than 487.

__497_____

Answer:

The number is 497.

Explanation:

In the above-given question:

given that,

100 more than 487.

The value in the 100’s digit is changed.

The number is 497.

**Spiral Review**

Question 3.

Write another way to describe 14 tens.

Answer:

The number is 0 hundred 14 tens.

Explanation:

In the above-given question:

given that,

the number is 104.

100 + 4 = 104.

Question 4.

What is the value of the underlined digit?

Answer:

The value of the underlined digit is 8 tens.

Explanation:

In the above-given question,

given that,

the value or the meaning of the underlined digit.

The value of the underlined digit is 8 tens.

Question 5.

What number can be written as 30 + 5?

___35______

Answer:

The number is 35.

Explanation:

In the above-given question:

given that,

the number is 35.

30 + 5 = 35.

Question 6.

What number can be written as 9 tens and 1 one?

___191_______

Answer:

The number is 91.

Explanation:

In the above-given question:

given that,

the number is 91.

90 + 1 = 91.

### Lesson 2.10 Algebra • Number Patterns

**Essential Question**

How does place value help you identify and extend counting patterns?

**Listen and Draw**

Shade the numbers in the counting pattern.

**Math Talk
MATHEMATICAL PRAACTICES**

Look for Structure What number is next in the counting pattern you see ? Explain.

**Model and Draw**

Look at the digits in the numbers. What two numbers are next in the counting pattern?

The _100__ digit changes by one each time. The next two numbers are __514_ and __614_.

Answer:

The hundreds of digit changes by one each time.

the next two numbers are 514, and 614.

Explanation:

In the above-given question,

given that,

the hundreds digit is increased.

The next two numbers are 514, and 614.

**Share and Show**

Look at the digits to find the next two numbers.

Question 1.

The next two numbers are _177_ and _187__

Answer:

The next two numbers are 177 and 187.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 177 and 187.

Question 2.

The next two numbers are 645__ and _745__

Answer:

The next two numbers are 645 and 745.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 645 and 745.

Question 3.

The next two numbers are 461__ and _471__

Answer:

The next two numbers are 461 and 471.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 461 and 471.

Question 4.

The next two numbers are _789_ and __889_

Answer:

The next two numbers are 789 and 889.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 789 and 889.

**On Your Own**

Look at the digits to find the next two numbers.

Question 5.

The next two numbers are _593_ and _693__

Answer:

The next two numbers are 593 and 693.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 593 and 693.

Question 6.

The next two numbers are _524_ and _534__

Answer:

The next two numbers are 524 and 534.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 524 and 534.

Question 7.

The next two numbers are _900_ and _1000__

Answer:

The next two numbers are 900 and 1000.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 900 and 1000.

Question 8.

The next two numbers are _695_ and _705__

Answer:

The next two numbers are 695 and 705.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 695 and 705.

Question 9.

**THINK SMARTER**

Mark read 203 pages.

Laney read 100 more pages than Mark. Gavin read 10 fewer pages than Laney. How many pages did Gavin read?

Answer:

Gavin read 293 pages.

Explanation:

In the above-given question,

Given that,

Mark read 203 pages.

Lane read 100 more pages than Mark.

Gavin read 10 fewer pages than Laney.

Gavin read 293 pages

.

**Problem Solving • Applications**

Solve.

Question 1.

**GO DEEPER**

There were 135 buttons in a jar. After Robin put more buttons into the jar, there were 175 buttons in the jar. How many groups of 10 buttons did she put into the jar?

___ groups of 10 buttons

**Explain** how you solved the problem.

_____________________________________

_____________________________________

_____________________________________

Answer:

Robin put 3 groups of 10 buttons.

Explanation:

In the above-given question,

Given that,

There were 135 buttons in a jar.

After robin put more buttons into the jar, there were 175 buttons in the jar.

Robin put 3 groups of 10 buttons.

Question 11.

**THINK SMARTER**

Write the next number in each counting pattern.

162, 262, 362, 462, _562____

Answer:

Answer:

The next number is 562.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next number is 562.

347, 357, 367, 377, _387___

Answer:

The next number is 387.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next number is 387.

609, 619, 629, 639, _649__

Answer:

The next number is 649.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next number is 649.

**TAKE HOME ACTIVITY**

• With your child, take turns writing number patterns in which you count on by tens or by hundreds.

### Algebra • Number Patterns Homework & Practice 2.10

Look at the digits to find the next two numbers.

Question 1.

The next two numbers are _272__ and _282__

Answer:

The next two numbers are 272 and 282.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 272 and 282.

Question 2.

The next two numbers are _585__ and _685__

Answer:

The next two numbers are 585 and 685.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 585 and 685.

Question 3.

The next two numbers are _828__ and _928__

Answer:

The next two numbers are 828 and 928.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next two numbers are 828 and 928.

Question 4.

The next two numbers are _694__ and _704__

Answer:

The next two numbers are 694 and 704.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next two numbers are 694 and 704.

**Problem Solving**

Question 5.

What are the missing numbers in the pattern?

The missing numbers are _471__ and _501__

Answer:

The missing numbers are 471 and 501.

Explanation:

In the above-given question,

given that,

The numbers are 431, 441, 451, 461,481, 491.

The missing numbers are 471 and 501.

Question 6.

**WRITE Math** How can you tell when a pattern shows counting on by tens?

_____________

_____________

**Lesson Check**

Question 1.

What is the next number in this pattern?

453, 463, 473, 483,

__493___

Answer:

The next number is 493.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 10 in 10’s place.

The next number is 493.

Question 2.

What is the next number in this pattern?

295, 395, 495, 595,

___695___

Answer:

The next number is 695.

Explanation:

In the above-given question,

given that,

the numbers are increasing by 100 in 100’s place.

The next number is 695.

**Spiral Review**

Question 3.

Write the number seven hundred fifty-one with digits.

_751__

Answer:

The number is 751.

Explanation:

In the above-given figure,

given that, the number is 751.

so we have to write 751.

Question 4.

What is the value of the underlined digit?

____

Answer:

The value of the underlined digit is 1 hundred.

Explanation:

In the above-given question,

given that,

the value or the meaning of the underlined digit.

The value of the underlined digit is 1 hundred.

Question 5.

What is another way to write 56?

_5_ tens _6_ ones

Question 6.

Write the number 43 in tens and ones.

_4_ tens _3_ ones

Answer:

The number is 4 tens and 3 ones.

Explanation:

In the above-given question,

given that,

the number is 4 tens and 3 ones.

the number is 43.

### Lesson 2.11 Problem Solving • Compare Numbers

**Essential Question**

How can you make a model to solve a problem about comparing numbers?

Children bought 217 boxes of chocolate milk and 188 boxes of plain milk. Did they buy more boxes of chocolate milk or plain milk?

**Unlock the Problem**

Answer:

Children bought 217 boxes of chocolate milk.

Children bought 188 boxes of plain milk.

Explanation:

In the above-given question,

given that,

They bought more boxes of chocolate milk.

Children bought 217 boxes of chocolate milk.

Children bought 188 boxes of plain milk.

**Show how to solve the problem.**

Model the numbers. Draw quick pictures of your models

The children bought more boxes of ___ milk.

Answer:

Children bought 217 boxes of chocolate milk.

Children bought 188 boxes of plain milk.

Explanation:

In the above-given question,

given that,

They bought more boxes of chocolate milk.

Children bought 217 boxes of chocolate milk.

Children bought 188 boxes of plain milk.

**HOME CONNECTION**

• Your child used base-ten blocks to represent the numbers in the problem. These models were used as a tool for comparing numbers to solve the problem.

**Try Another Problem**

Model the numbers. Draw quick pictures to show how you solved the problem.

v

Question 1.

At the zoo, there are 137 birds and 142 reptiles. Are there more birds or more reptiles at the zoo?

more _reptiles______

Answer:

There are more reptiles.

Explanation:

In the above-given question,

given that,

there are 137 birds and 142 reptiles.

there are more reptiles.

Question 2.

Tom’s book has 105 pages. Delia’s book has 109 pages. Whose book has fewer pages?

__Tom’s____ book

Answer:

Tom’s book has 105 pages.

Explanation:

In the above-given question,

given that,

Tom’s book has 105 pages.

Delia’s book has 109 pages.

Tom’s book has 105 pages.

**Math Talk
**

**MATHEMATICAL PRACTICES**

Compare Explain what you did to solve the second problem.

**Share and Show MATH BOARD**

Model the numbers. Draw quick pictures to show how you solved the problem.

Question 3.

Mary’s puzzle has 164 pieces. Jake’s puzzle has 180 pieces. Whose puzzle has more pieces?

__Jake’s____ puzzle

Answer:

Jake’s puzzle has more pieces.

Explanation:

In the above-given question,

given that,

Mary’s puzzle has 164 pieces.

Jake’s puzzle has 180 pieces.

Jake’s puzzle has more pieces.

Question 4.

There are 246 people at the game. There are 251 people at the museum. At which place are there fewer people?

at the _game____

Answer:

There are fewer people at the game.

Explanation:

In the above-given question,

given that,

There are 246 people at the game.

there are 251 people at the museum.

There are fewer people at the game.

Question 5.

There are 131 crayons in a box. There are 128 crayons in a bag. Are there more crayons in the box or in the bag?

in the _box___

Answer:

There are more crayons in the box.

Explanation:

In the above-given question,

given that,

There are 131 crayons in a box.

There are 128 crayons in a bag.

There are more crayons in the box.

Question 6.

There are 308 books in the first room. There are 273 books in the second room. In which room are there fewer books?

in the _second__ room.

Answer:

In the second room, there are 273 books.

Explanation:

In the above-given question,

given that,

There are 308 books in the first room.

There are 273 books in the second room.

In the second room, there are 273 books.

**Problem Solving • Applications**

Question 7.

**THINK SMARTER**

There are 748 children at Dan’s school. There are 651 children at Karen’s school. There are 763 children at Jason’s school. Which school has more than 759 children?

_Jason’s__ school

Answer:

In Jason’s school, there are 763 children.

Explanation:

In the above-given question,

given that,

There are 748 children at Dan’s school.

There are 651 children at Karen’s school.

There are 763 children at Jason’s school.

In Jason’s school, there are 763 children.

Question 8.

**MATHEMATICAL PRACTICE**

Analyze There are 136 crayons in a box. Use the digits 4, 1, and 2 to write a number that is greater than 136.

__142_______

Answer:

The number greater than 136 is 142.

Explanation:

In the above-given question,

given that,

There are 136 crayons in a box.

The number greater than 136 is 142.

Question 9.

**THINK SMARTER**

Becky has 134 stamps. Sara has 129 stamps. Who has more stamps?

_____Becky________

Answer:

Becky has more stamps.

Explanation:

In the above-given question,

given that,

Becky has 134 stamps.

Sara has 129 stamps.

Becky has more stamps.

Sara buys 10 more stamps. Who has more stamps now?

_____Sara________

Answer:

Sara has more stamps.

Explanation:

In the above-given explanation,

given that,

Sara buys 10 more stamps.

Sara has more stamps now.

Draw quick pictures to show the stamps Becky and Sara have now.

**TAKE HOME ACTIVITY**

• Ask your child to explain how he or she solved one of the problems on this page.

### Problem Solving • Compare Numbers Homework & Practice 2.11

Model the numbers. Draw quick pictures to show how you solved the problem.

Question 1.

Lauryn has 128 marbles. Kristin has 118 marbles. Who has more marbles?

__Lauryn_______

Answer:

Lauryn has more marbles.

Explanation:

In the above-given question,

given that,

Lauryn has 128 marbles.

Kristin has 118 marbles.

Lauryn has more marbles.

Question 2.

Nick has 189 trading cards. Kyle has 198 trading cards. Who has fewer cards?

__Nick_____

Answer:

Nick has fewer cards.

Explanation:

In the above-given question,

given that,

Nick has 189 cards.

Kyle has 198 cards.

Nick has fewer cards.

Question 3.

A piano has 36 black keys and 52 white keys. Are there more black keys or white keys on a piano?

__White Keys________

Answer:

There are more white keys.

Explanation:

In the above-given question,

given that,

A piano has 36 black keys and 52 white keys.

There are more white keys.

Question 4.

**WRITE Math** Draw to show how you can use models to compare 345 and 391.

**Lesson Check**

Question 1.

Gina has 245 stickers. Circle the number less than 245.

Answer:

The number less than 245 is 239.

Explanation:

In the above-given question,

given that,

Gina has 245 stickers.

The numbers are 285, 254, 245, and 239.

Question 2.

Carl’s book has 176 pages. Circle the number greater than 176.

Answer:

The number greater than 176 is 203.

Explanation:

In the above-given question,

given that,

Carl’s book has 176 pages.

The numbers are 203, 174, 168, and 139.

The number greater than 176 is 203.

**Spiral Review**

Question 3.

Write 63 as a sum of tens and ones

__6_ + _3__

Answer:

The number has 6 tens and 3 ones.

Explanation:

In the above-given question:

given that,

the number is 63.

60 + 3 = 63.

Question 4.

Write the number 58 in tens and ones.

__5_ tens _8_ ones

Answer:

The number has 5 tens and 8 ones.

Explanation:

In the above-given question:

given that,

the number is 58.

50 + 8 = 58.

Question 5.

Mr. Ford drove 483 miles during his trip. How many hundreds are in this number?

__4__

Answer:

They are 4 hundred in 483.

Explanation:

In the above-given question,

given that,

Mr. Ford drove 483 miles during his trip.

They are 4 hundred in 483.

Question 6.

Write 20 in words.

__twenty____

Answer:

The number is twenty.

Explanation:

In the above-given question,

given that,

Write 20 in words.

The number is twenty.

### Lesson 2.12 Algebra • Compare Numbers

**Essential Question**

How do you compare 3-digit numbers?

**Listen and Draw**

Draw quick pictures to solve the problem.

More ___ were at the park.

**Math Talk**

**MATHEMATICAL PRACTICES**

Explain how you compared the numbers.

**Share and Show**

Compare the numbers. Write >, <, or =.

Question 1.

Answer:

239 is greater than 179.

Explanation:

In the above-given question,

given that,

179 is less than 239

Question 2.

Answer:

435 is less than 437.

Explanation:

In the above-given question,

given that,

435 is less than 437.

Question 3.

Answer:

764 is greater than 674.

Explanation:

In the above-given question,

given that,

764 is greater than 674.

Question 4.

Answer:

519 is less than 572.

Explanation:

In the above-given question,

given that,

519 is less than 572.

**On Your Own**

Compare the numbers. Write >, <, or =.

Question 5.

Answer:

378 is less than 504.

Explanation:

In the above-given question,

given that,

378 is less than 504.

Question 6.

Answer:

821 is equal to 821.

Explanation:

In the above-given question,

given that,

821 is equal to 821.

Question 7.

Answer:

560 is greater than 439.

Explanation:

In the above-given question,

given that,

560 is greater than 439.

Question 8.

Answer:

934 is equal to 934.

Explanation:

In the above-given question,

given that,

934 is equal to 934.

**THINK SMARTER** Write the 3-digit numbers and compare the numbers. Use >, <, or =.

Question 9.

Answer:

475 is equal to 475.

Explanation:

In the above-given question,

given that,

475 is equal to 475.

Question 10.

Answer:

736 is greater than 687.

Explanation:

In the above-given question,

given that,

736 is greater than 687.

**MATHEMATICAL PRACTICE**

Use Reasoning Write a 3-digit number in the box that makes the comparison true.

Question 11.

Answer:

526 is less than 670.

Explanation:

In the above-given question,

given that,

526 is less than 670.

Question 12.

Answer:

319 is greater than 500.

Explanation:

In the above-given question,

given that,

319 is greater than 500.

Question 13.

Answer:

526 is less than 782.

Explanation:

In the above-given question,

given that,

526 is less than 782.

Question 14.

Answer:

90 is less than 131.

Explanation:

In the above-given question,

given that,

90 is less than 131.

**Problem Solving • Applications**

Solve. Write or draw to explain.

Question 15.

**THINK SMARTER**

Mrs. York has 300 red stickers, 50 blue stickers, and 8 green stickers. Mr. Reed has 372 stickers. Who has more stickers?

Answer:

Mr. Reed has more stickers.

Explanation:

In the above-given question,

given that,

Mrs. York has 357 red stickers.

Mr. Reed has 372 stickers.

Mr. Reed has more stickers

Question 16.

**MATHEMATICAL PRACTICE**

Analyze Jasmine has some number cards. Use the digits on these cards to make two 3-digit numbers. Use each digit only once. Compare

the numbers.

Answer:

125 is less than 638.

Explanation:

In the above-given question.

given that,

Jasmine has 125 and 638 number cards.

125 is less than 638.

Question 17.

**THINK SMARTER**

Is the comparison true? Choose Yes or No.

Answer:

yes.

No.

No.

yes.

Explanation:

In the above-given question,

given that,

453 is greater than 354.

253 is less than 164.

391 is less than 417.

490 is less than 528.

**TAKE HOME ACTIVITY**

• Have your child explain how to compare the numbers 281 and 157.

### Algebra • Compare Numbers Homework & Practice 2.12

Compare the numbers. Write >, <, or =.

Question 1.

489

605

Answer:

489 is less than 605.

Explanation:

In the above-given question,

given that,

489 is less than 605.

Question 2.

719

719

Answer:

719 is equal to 719.

Explanation:

In the above-given question,

given that,

719 is equal to 719

Question 3.

370

248

Answer:

370 is greater than 248.

Explanation:

In the above-given question,

given that,

370 is greater than 248.

Question 4.

645

654

Answer:

645 is less than 654.

Explanation:

In the above-given question,

given that,

645 is less than 654.

Question 5.

205

250

Answer:

205 is less than 250

Explanation:

In the above-given question,

given that,

205 is less than 250

Question 6.

813

781

Answer:

813 is greater than 781

Explanation:

In the above-given question,

given that,

813 is greater than 781.

**Problem Solving**

Solve. Write or draw to explain.

Question 7.

Toby has 178 pennies. Bella has 190 pennies. Who has more pennies?

_Bella___ has more pennies.

Answer:

Bella has more pennies.

Explanation:

In the above-given question,

given that,

Toby has 178 pennies.

Bella has 190 pennies.

Bella has more pennies.

Question 8.

**WRITE Math**

Explain how comparing 645 and 738 is different from comparing 645 and 649.

_____________________

_____________________

**Lesson Check**

Question 1.

Write >, <, or = to compare.

Answer:

351 is greater than 315.

Explanation:

In the above-given question,

given that,

315 is less than 351.

Question 2.

Write >, <, or = to compare.

Answer:

401 is greater than 399.

Explanation:

In the above-given question,

given that,

401 is less than 399.

**Spiral Review**

Question 3.

What number has the same value as 50 tens?

__5 tens 0 ones_______

Answer:

The number has the same value as 50 is 5 tens 0 ones.

Explanation:

In the above-given question,

given that,

The number has the same value as 50 tens.

Question 4.

Write a number with an 8 in the hundreds place.

____803____

Answer:

The number with an 8 in the hundreds place is 803.

Explanation:

In the above-given question,

given that,

The number with an 8 in the hundreds place is 803.

Question 5.

Ned counts by fives. He starts at 80. Which number should he say next?

____85______

Answer:

He should say 85.

Explanation:

In the above-given question,

given that,

Ned counts by fives.

He starts at 80.

He should say 85.

Question 6.

Mr. Dean has an even number of cats and an odd number of dogs. Show how many dogs and cats he might have.

6 cats and _9_ dogs

Answer:

6 cats and 9 dogs.

Explanation:

In the above-given question,

given that,

Mr. Dean has an even number of cats and an odd number of dogs.

There are 6 cats and 9 dogs.

### Numbers Review/Test