McGraw Hill Math

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 3 Place Value of 100,000s existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 3 Place Value of 100,000s

Solve.

Write the digit in the place named.

Question 1.
123,765
hundred thousands
Answer:
1

Explanation:
The digit 1 is in hundred thousands place.

Question 2.
36,948
ten thousands
Answer:
6

Explanation:
The digit 6 is in ten thousands place.

Question 3.
792,351
tens
Answer:
5

Explanation:
The digit 5 in tens place.

Write the value of the underlined number.

Question 4.
642,386
Answer:
6 hundred thousands

Explanation:
The place name of the digit 6 is hundred thousand
So, the value of the digit 6 in the given number is 6 hundred thousands.

Question 5.
907,422
Answer:
9 hundred thousands

Explanation:
The place name of the digit 9 is hundred thousand
So, the value of the digit 9 in the given number is 6 hundred thousands.

Question 6.
83,677
Answer:
8 ten thousands

Explanation:
The place name of the digit 8 is ten thousand
So, the value of the digit 8 in the given number is 8 ten thousands.

Question 7.
1,058
Answer:
1 thousand

Explanation:
The place name of the digit 1 is thousand
So, the value of the digit 1 in the given number is 1 thousand.

Question 8.
598,004
Answer:
5 hundred thousands

Explanation:
The place name of the digit 5 is hundred thousand
So, the value of the digit 5 in the given number is 5 hundred thousands.

Question 9.
238
Answer:
2 hundred

Explanation:
The place name of the digit 2 is hundreds
So, the value of the digit 2 in the given number is 2 hundred.

Question 10.
Look at the digits. You want to make the greatest number. Which digit would go in the hundred thousands place?
8, 2, 9, 3, 4, 6
_______
Answer:
9

Explanation:
To make a greatest number with the given digits i choose the digit 9 in the hundred thousands place.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 2 Lesson 2 Grouping Numbers to Add existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 2 Lesson 2 Grouping Numbers to Add

Solve

Show two ways to group the addends. Use ( ).

Question 1.
12 + 2 + 3
12 + 2 + 3
Answer:
(12 + 2) + 3 and 12 + (2 + 3)

Add. Be sure to add the numbers in () first.

Question 2.
3 + 11 + 2
3 + 11 + 2
Answer:
(3 + 11) + 2
3 + (11 + 2)

Explanation:
(3 + 11) + 2
14 + 2 = 16
3 + (11 + 2)
3 + 13 = 16
So, 3 + 11 + 2 = 16.

Add. Be sure to add the number in ( ) first.

Question 3.
(14 + 1) + 2 =
___ + 2 = ____
14 + (1 + 2) =
14 + ___ = ____
Answer:
14 + 1 + 2 = 17

Explanation:
(14 + 1) + 2 =
15 + 2 = 17
14 + (1 + 2) =
14 + 3 = 17
So, 14 + 1 + 2 = 17.

Question 4.
4 + (2 + 10) =
4 + ___ = ___
(4 + 2) + 10 =
___ + 10 = ___
Answer:
4 + 2 + 10 = 16

Explanation:
4 + (2 + 10) =
4 + 12 = 16
(4 + 2) + 10 =
6 + 10 = 16
So, 4 + 2 + 10 = 16.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 2 Lesson 1 Adding in Any Order existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 2 Lesson 1 Adding in Any Order

Solve

Add. Write the sum.

Question 1.
17 + 2 = 19
2 + 17 = ____
Answer:
17 + 2 = 19
2 + 17 = 19

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 17 + 2 = 2 + 17.

Question 2.
8 + 1 = ___
1 + 8 = ____
Answer:
8 + 1 = 9
1 + 8 = 9

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 8 + 1 = 1 + 8.

Question 3.
12 + 5 = ___
5 + 12 = ____
Answer:
12 + 5 = 17
5 + 12 = 17

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 12 + 5 = 5 + 12.

Question 4.
3 + 5 = ___
5 + 3 = ___
Answer:
3 + 5 = 8
5 + 3 = 8

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 3 + 5 = 5+3.

Question 5.

Answer:

Explanation:
The order of the addends does not matter
The sum does not change
So, 10 + 5 = 5 + 10.

Question 6.

Answer:

Explanation:
The order of the addends does not matter
The sum does not change
So, 7 + 1 = 1 + 7.

Question 7.

Answer:

Explanation:
The order of the addends does not matter
The sum does not change
So, 3 + 13 = 13 + 3.

Write the missing number.

Question 8.
12 + 3 = 3 + ___
Answer:
12 + 3 = 3 +12

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 12
So, 12 + 3 = 3 + 12.

Question 9.
___ + 6 = 6 + 13
Answer:
13 + 6  = 6 +13

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 13
So, 13 + 6 = 6 +13.

Question 10.
1 + ___ = 8 + 1
Answer:
1 + 8 = 8 + 1

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 8
So, 1 + 8 = 8 + 1.

Question 11.
Chen and Alex see 1 cat and 3 dogs. They count to see how many animals in all. Chen counts the dogs first and then the cat. Alex counts the cat first and then the dogs. Are the sums different? Explain.
Answer:
No, both the sums are same

Explanation:
Chen and Alex see 1 cat and 3 dogs
They count to see how many animals in all
Chen counts the dogs first and then the cat
That is 3 + 1 = 4
Alex counts the cat first and then the dogs.
That is 1 + 3 = 4
The order of the addends is different but the sum is same
So, Both the sums are same.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Test existing for free of cost.

McGraw-Hill Math Grade 3 Chapter 1 Test Answer Key

Question 1.
Write the number shown.

_________
Answer:

Explanation:
The number shown by the place value blocks is 143
There is a hundreds block and 4 ten sticks and 3 ones cubes.

Question 2.
Circle the group of cubes that show 408.

Answer:

Explanation:
I drew a circle around the cubes that show the number 408.

Write the value of the underlined number.

Question 3.
1,356
Answer:
3 hundreds

Explanation:
In the number 1,356 the digit 3 is in hundreds place
So, the value of the digit 3 is 3 hundreds.

Question 4.
8,495 ____
Answer:
8 thousand

Explanation:
The place name of the digit 8 is thousand
So, the value of the digit 8 in the given number is 8 thousand.

Question 5.
2,777
Answer:
7 tens

Explanation:
In the number 2,777 the digit 7 is in tens place
So, the value of the digit 7 is 7 tens.

Question 6.
62,917
_________
Answer:
6 ten thousands

Explanation:
The place name of the digit 6 is ten thousand
So, the value of the digit 6 in the given number is 6 ten thousands.

Question 7.
461,348
______
Answer:
4 hundred thousands

Explanation:
The place name of the digit 4 is hundred thousand
So, the value of the digit 4 in the given number is 4 hundred thousands.

Question 8.
159,622
Answer:
2 tens

Explanation:
In the number 159,622 the digit 2 is in tens place
So, the value of the digit 2 is 2 tens.

Write the numbers in standard form.

Question 9.
200,000 + 20,000 + 4,000 + 800 + 10 + 7
_____________
Answer:
224,817

Explanation:
I standard form for the given number is 224,817.

Question 10.
seven hundred thirty-eight
Answer:
738

Explanation:
The standard form for the given number is 738.

Write the numbers from least to greatest.

Question 11.
276,399 267,399 301,014
Answer:
267,399, 276,399, 301,014

Explanation:
I arranged the given number from least to greatest
267,399 is least and 301,014 is the greatest number.

Question 12.
17,121 15,842 6,419
Answer:
6,419, 15,842, 17,121

Explanation:
I arranged the given number from least to greatest
6,419 is least and 17,121 is the greatest number.

Write the numbers from greatest to least.

Question 13.
934 947 861
____________________
Answer:
947, 934, 861

Explanation:
I arranged the given numbers from greatest to least
947 is greatest and 861 is least number.

Question 14.
25,234 25,423 25,342
Answer:
25,432, 25,342, 25,234

Explanation:
I arranged the given numbers from greatest to least
25,432 is greatest and 25,234 is least number.

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

Question 15.
8,432 ___ 8,623
Answer:
8,432 < 8,623

Explanation:
The number 8,432 is less than 8,623.

Question 16.
616 ___ 399
Answer:
616 > 399

Explanation:
The number 616 is greater than 399.

Question 17.
4,214 ___ 4,214
Answer:
4,214 = 4,214

Explanation:
The number 4,214 is equal to 4,214.

Question 18.
What is a number that changes to 30 when rounded down to the nearest 10?
Answer:
29

Explanation:
Ones digit is 9
The ones digit in the number is greater than 5
So, change the ones digit to 0 and add 1 to the tens digit
29 rounded of to the neatest tens is 30.

Round to the nearest ten.

Question 19.
945
____
Answer:
950

Explanation:
Ones digit is 5
The ones digit is equal to 5
So, change the ones digit as 0 and add 1 to the tens digit
945 rounded to the nearest ten is 950.

Question 20.
227
____
Answer:
230

Explanation:
Ones digit is 7
The ones digit is greater than 5
So, change the ones digit as 0 and add 1 to the tens digit
227 rounded to the nearest ten is 230.

Question 21.
1,683
____
Answer:
1,680

Explanation:
Ones digit is 3
The ones digit is less than 5
So, change the ones digit as 0 and keep the tens digit same
1,683 rounded to the nearest ten is 1,680.

Question 22.
4,926
______
Answer:
4,930

Explanation:
Ones digit is 6
The ones digit is greater than 5
So, change the ones digit as 0 and add 1 to the tens digit
4,926 rounded to the nearest ten is 4,930.

Round to the nearest hundred.

Question 23.
749
______
Answer:
700

Explanation:
Tens digit is 4
The tens digit is less than to 5
So, change all the digits to the right as 0 and keep the hundreds digit same
749 rounded to the nearest ten is 700.

Question 24.
6,483
______
Answer:
6500

Explanation:
Tens digit is 8
The tens digit is greater than to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
6,483 rounded to the nearest ten is 6500.

Question 25.
3,333
______
Answer:
3,300

Explanation:
Tens digit is 3
The tens digit is less than to 5
So, change all the digits to the right as 0 and keep the hundreds digit same
3,333 rounded to the nearest ten is 3,300.

Question 26.
9,689
______
Answer:
9,700

Explanation:
Tens digit is 8
The tens digit is greater than to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
9,689 rounded to the nearest ten is 9700.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 8 Rounding to the Nearest Hundred existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 8 Rounding to the Nearest Hundred

Solve

Round to the nearest hundred.

Question 1.
1,784 1800

Question 2.
355 ____
Answer:
400

Explanation:
Tens digit is 5
The tens digit is equal to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
355 rounded to the nearest ten is 400.

Question 3.
494 ____
Answer:
500

Explanation:
Tens digit is 9
The tens digit is greater than to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
494 rounded to the nearest ten is 500.

Question 4.
756 ____
Answer:
800

Explanation:
Tens digit is 5
The tens digit is equal to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
756 rounded to the nearest ten is 800.

Question 5.
2,148 ____
Answer:
2100

Explanation:
Tens digit is 4
The tens digit is less than to 5
So, change all the digits to the right as 0 and keep the hundreds digit same
2148 rounded to the nearest ten is 2100.

Question 6.
450 ____
Answer:
500

Explanation:
Tens digit is 5
The tens digit is equal to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
450 rounded to the nearest ten is 500.

Question 7.
614 ____
Answer:

Explanation:
Tens digit is 1
The tens digit is less than to 5
So, change all the digits to the right as 0 and keep the hundreds digit same
614 rounded to the nearest ten is 600.

Question 8.
279 ____
Answer:
300

Explanation:
Tens digit is 7
The tens digit is greater than to 5
So, change all the digits to the right as 0 and add 1 to the hundreds digit
279 rounded to the nearest ten is 300.

Question 9.
What is the least number that rounds up to 300 when rounding to the nearest hundred?
_______________
Answer:
250

Explanation:
If the tens digit is equal to or greater than 5
We will round of the number to the next hundreds
So, the least number that rounds up to 300 when rounding to nearest hundreds is 250.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 7 Rounding to the Nearest Ten existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 7 Rounding to the Nearest Ten

Solve

Round to the nearest ten.

Question 1.
2,348 2,350

Question 2.
515 ______
Answer:
520

Explanation:
Ones digit is 5
The ones digit is equal to 5
So, change the ones digit as 0 and add 1 to the tens digit
515 rounded to the nearest ten is 520.

Question 3.
634 ______
Answer:
630

Explanation:
Ones digit is 4
The ones digit is less than 5
So, change the ones digit as 0 and keep the tens digit same
634 rounded to the nearest ten is 630.

Question 4.
788 ______
Answer:
790

Explanation:
Ones digit is 8
The ones digit is greater than 5
So, change the ones digit as 0 and add 1 to the tens digit
788 rounded to the nearest ten is 790.

Question 5.
6,485 ______
Answer:
6,490

Explanation:
Ones digit is 5
The ones digit is equal to 5
So, change the ones digit as 0 and add 1 to the tens digit
6,485 rounded to the nearest ten is 6,490.

Question 6.
7,607 ______
Answer:
7,610

Explanation:
Ones digit is 8
The ones digit is greater than 5
So, change the ones digit as 0 and add 1 to the tens digit
7,607 rounded to the nearest ten is 7,610.

Question 7.
423 ____
Answer:
420

Explanation:
Ones digit is 4
The ones digit is less than 5
So, change the ones digit as 0 and keep the tens digit same
423 rounded to the nearest ten is 420.

Question 8.
540 ____
Answer:
540

Explanation:
Ones digit is 0
The ones digit is 0 and is that means it is rounded already.

Question 9.
9,475 ____
Answer:
9,480

Explanation:
Ones digit is 5
The ones digit is equal to 5
So, change the ones digit as 0 and add 1 to the tens digit
9,475 rounded to the nearest ten is 9,480.

Question 10.
8,633 ____
Answer:
8,630

Explanation:
Ones digit is 4
The ones digit is less than 5
So, change the ones digit as 0 and keep the tens digit same
8,633 rounded to the nearest ten is 8,630.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 6 Ordering Numbers existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 6 Ordering Numbers

Solve

Write the numbers from greatest to least.

Question 1.
58
372
185
372, 185, 58

Question 2.
642
649
640
Answer:
649, 642, 640

Explanation:
I arranged the given numbers from greatest to least
649 is greatest and 640 is least number.

Question 3.
888
999
821
Answer:
999, 888, 821

Explanation:
I arranged the given numbers from greatest to least
999 is greatest and 821 is least number.

Write the numbers from least to greatest.

Question 4.
251
248
244
Answer:
244, 248, 251

Explanation:
I arranged the given numbers from least to greatest
244 is least and 251 is the greatest number.

Question 5.
1,727
2,648
1,900
Answer:
1,727, 1,900, 2,648

Explanation:
I arranged the given numbers from least to greatest
1,727 is least and 2,648 is the greatest number.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 5 Comparing Numbers existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 5 Comparing Numbers

solve

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

Question 1.
958 > 367

Question 2.
1,654 ____ 1,638
Answer:
1,654 > 1,638

Explanation:
The number 1654 is greater than 1638.

Question 3.
6,225 ___ 6,253
Answer:
6,225 < 6,253

Explanation:
The number 6225 is less than 6253.

Question 4.
8,341 ___ 4,395
Answer:
8,341 > 4,395

Explanation:
The number 8,341 is greater than 4,395.

Question 5.
7,651 ___ 7,651
Answer:
7,651 = 7,651

Explanation:
The number 7651 is equal to 7651.

Question 6.
2,099 ___ 2,814
Answer:
2,099 < 2,814

Explanation:
The number 2099 is less than 2814.

Question 7.
366 ___ 307
Answer:
366 > 307

Explanation:
The number 366 is greater than 307.

Question 8.
7,252 ___ 7,252
Answer:
7,252 = 7,252

Explanation:
The number 7252 is equal to 7252.

Question 9.
I am a 3-digit number. I am less than 817. I have an 8 in the hundreds place. I have a 7 in the ones place. What digit must be in the tens place?
8  ____  7 < 817
Answer:
807 < 817

Explanation:
A number less than 1 is 0
So, 807 is less than 817.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 1 Lesson 4 Read and Write Numbers existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 1 Lesson 4 Read and Write Numbers

Solve

Write the number in word form.

Question 1.
3,100
three thousand
one thousand

Question 2.
576
Answer:
Five hundred seventy six

Explanation:
I wrote the word form of the number 576.

Question 3.
99
Answer:
Ninety nine

Explanation:
I wrote the word form of the number 99.

Write the number in standard form.

Question 4.
six hundred two
Answer:
602

Explanation:
The standard form of the given number is 602.

Question 5.
100,000 + 5,000 + 3
Answer:
105,003

Explanation:
The standard form of the given number is 105,003.

Question 6.
four thousand, two hundred thirty-three
Answer:
4,233

Explanation:
The standard form of the given number is 4,233.

Write the number in expanded form.

Question 7.
851
Answer:
800 + 50 + 1

Explanation:
I wrote the expanded form of the number 851.

Question 8.
9,610
Answer:
9000 + 600 + 10 + 0

Explanation:
I wrote the expanded form of the number 9,610.

Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Chapter 3 Lesson 9 Dividing by 10, 11, and 12 to secure good marks & knowledge in the exams.

McGraw-Hill Math Grade 4 Answer Key Chapter 3 Lesson 9 Dividing by 10, 11, and 12

Divide

Question 1.
144 ÷ 12 = 12
Answer:
144 ÷ 12 = 12.

Explanation:
Quotient of:
144 ÷ 12 = 12.

Question 2.
55 ÷ 11 = ___
Answer:
55 ÷ 11 = 5.

Explanation:
Quotient of:
55 ÷ 11 = 5.

Question 3.
24 ÷ 12 = ____
Answer:
24 ÷ 12 = 2.

Explanation:
Quotient of:
24 ÷ 12 = 2.

Question 4.
77 ÷ 11 = ____
Answer:
77 ÷ 11 = 7.

Explanation:
Quotient of:
77 ÷ 11 = 7.

Question 5.
33 ÷ 11 = ____
Answer:
33 ÷ 11 = 3.

Explanation:
Quotient of:
33 ÷ 11 = 3.

Question 6.
100 ÷ 10 = ___
Answer:
100 ÷ 10 = 10.

Explanation:
Quotient of:
100 ÷ 10 = 10.

Question 7.
Greg is baking apple pies for a bake sale. He uses 10 apples in each pie. How many pies can he make with 60 apples?
Answer:
Number of pies he can make with 60 apples = 6.

Explanation:
Number of apples in each pie he uses = 10.
Number of apples = 60.
Number of pies he can make with 60 apples = Number of apples ÷ Number of apples in each pie he uses
= 60 ÷ 10
= 6.

Question 8.
Lewis is putting 30 red chairs and 42 blue chairs in rows. He wants 12 chairs in each row. How many rows will he make?
Answer:
Number of rows he makes = 6.

Explanation:
Number of red chairs Lewis is putting in rows = 30.
Number of blue chairs Lewis is putting in rows = 42.
Number of chairs in each row = 12.
Number of rows he makes = (Number of red chairs Lewis is putting in rows + Number of blue chairs Lewis is putting in rows) ÷ Number of chairs in each row
= (30 + 42) ÷ 12
= 72 ÷ 12
= 6.