McGraw Hill Math

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 5 Test will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Chapter 5 Test Answer Key

Write the sum

Question 1.
28 + 34 = ____________
34 + 28 = ____________
Answer:
28 + 34 = 62
34 + 28 = 62

Explanation:
The order of the addends may differ but the sum will remain same.

Question 2.
58 + 13 = ____________
13 + 58 = ____________
Answer:
58 + 13 = 71
13 + 58 = 71

Explanation:
The order of the addends may differ but the sum will remain same.

Question 3.
44 + 23 + 11 = ____________
23 + 11 + 44 = ____________
Answer:
44 + 23 + 11 = 78
23 + 11 + 44 = 78

Explanation:
The order of the addends may differ but the sum will remain same.

Question 4.
228 + 37 + 9 = ____________
37 + 9 + 228 = ____________
Answer:
228 + 37 + 9 = 274
37 + 9 + 228 = 274

Explanation:
The order of the addends may differ but the sum will remain same.

Use subtraction to find the missing addend. Write the missing addend.

Question 5.

423 + __________ = 836
Answer:
423 + 413 = 836

Explanation:
423 + ? = 836
Subtract the addend from the sum
836 – 423 = ?
The difference is the missing addend
836 – 423 = 413
So, the missing addend is 413
Therefore, 836 + 423 = 413

Question 6.

242 + ___________ = 739
Answer:
242 + 497 = 739

Explanation:
242 + ? = 739
Subtract the addend from the sum
739 – 242 = ?
The difference is the missing addend
739 – 242 = 497
So, the missing addend is 497
Therefore, 242 + 497 = 739.

Question 7.

671 + __________ = 948
Answer:
671 + 277 = 948

Explanation:
671 + ? = 948
Subtract the addend from the sum
948 – 671 = ?
The difference is the missing addend
948 – 671 = 277
So, the missing addend is 277
Therefore, 671 + 277 = 948.

Question 8.

396 + __________ = 600
Answer:
396 + 204 = 600

Explanation:
396 + ? = 600
Subtract the addend from the sum
600 – 396 = ?
The difference is the missing addend
600 – 396 = 204
So, the missing addend is 204
Therefore, 396 + 204 = 600.

Add. Write the sum.

Question 9.

Answer:

Explanation:
We can add going up and we can add going down
We group numbers as we add
The sum of 19, 25, 11 and 33 is 88.

Question 10.

Answer:

Explanation:
We can add going up and we can add going down
We group numbers as we add
The sum of 27, 15 and 28 is 70.

Use mental math to add or subtract. Write the sum or difference.

Question 11.

Answer:

Explanation:
Use mental math and add only tens
20 + 40 = 60
The sum of 428 and 40 is 468

Question 12.

Answer:

Explanation:
Use mental math and add only hundreds
300 + 400 = 700
So, the sum of 300 and 471 is 771.

Question 13.

Answer:

Explanation:
Use mental math and add only hundreds
500 + 200 = 700
So, the sum of 583 and 200 is 783.

Question 14.

Answer:

Explanation:
Use mental math and subtract only tens
80 – 30 = 50
So, the difference of 483 and 30 is 453.

Question 15.

Answer:

Explanation:
Use mental math and subtract only hundreds
700 – 600 = 100
So, the difference of 718 and 600 is 118.

Question 16.

Answer:

Explanation:
Use mental math and subtract only hundreds
700 – 100 = 600
So, he difference of 700 and 100 is 600.

Solve

Question 17.
A store had 322 shirts. 198 shirts were sold. How many shirts are left in the store?

Answer:

Explanation:
A store had 322 shirts
198 shirts were sold
Subtract to find the number of shirts left
322 – 198 = 124
So, 124 shirts are left in the store.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 5 Lesson 10 Word Problems Within 1000 will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 5 Lesson 10 Word Problems Within 1000

Solve

Add or subtract to solve. Write the sum or difference.

Question 1.

Question 2.
568 people are at a fair. 289 go home. How many people are still at the fair?

Answer:

Explanation:
568 people are at a fair
289 go home
Subtract 289 from 568
658 – 289 = 279
So, 279 people are still at the fair.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 5 Lesson 9 Ways to Add and Subtract will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 5 Lesson 9 Ways to Add and Subtract

Explain

Circle the correct answer.

Question 1.
You add 495 + 261. What should you add first?
add ones
add tens
add hundreds
Answer:
add ones

Question 2.
Which problem has the same sum as 648 + 290 = 938?
431 + 40
811 – 366
290 + 648
Answer:
290 + 648

Explanation:
The order of the addends may change but the sum of the numbers will be same
So, 648 + 290 = 938 = 290 + 648.

Write your answer.

Question 3.
Nate sees this problem in a book:
437 + = 720.
How can he find the missing addend?
__________ – ____________ = ___________
Answer:
720 – 437 = 283

Explanation:
437 + ? = 720
Subtract the addend from the sum
720 – 437 = ?
The difference is the missing addend
720 – 437 = 283
So, the missing addend is 283
Therefore, 720 + 437 = 720.

Question 4.
How can you use mental math to subtract 300 from 873? What is the answer?
Answer:
537 – 300 = 537

Explanation:
Use mental math to subtract
Subtract only hundreds
800 – 300 = 500
So, 837 – 500 = 537.

Question 5.
How can you use mental math to add 80 to 210? What is the answer?
Answer:
210 + 80 = 290

Explanation:
Use mental math to add
Add only tens
10 + 80 = 90
So, 210 + 80 = 290.

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 1 Lesson 3 Using Exponents are as per the latest syllabus guidelines.

McGraw-Hill Math Grade 5 Answer Key Chapter 1 Lesson 3 Using Exponents

Convert

Find each product or quotient. Show your work.

Question 1.
75,600 × 10²
Answer: 75,600 × (10 × 10) = 75,600 × 100 = 7,560,000

Question 2.
75,600 ÷ 10² _____________
Answer:
75,600 ÷ 10²
10² = 10 × 10 = 100
75,600 ÷ 100 = 756
So, when we divide 75600 by 100 we get the quotient as 756.

Question 3.
4 × 10⁴ _______________
Answer:
4 × 10⁴ = 4 × 10 × 10 × 10 × 10 = 40000
Thus the product of 4 and 10 power 4 is 40,000.

Question 4.
4 ÷ 10⁴ __________
Answer:
4 ÷ 10⁴ = 4 ÷ 10000 = 0.0004
When we divide the number 4 by 10,000 we get the quotient in the decimal form as 0.0004.

Question 5.
23 ÷ 10³ __________
Answer:
23 ÷ 10³ = 23 ÷ 1000 = 0.023
When we divide the number 23 by 1,000 we get the quotient in the decimal form as 0.023.

Question 6.
955 × 10² __________
Answer:
955 × 10² = 955 × 10 × 10 = 95,500

Question 7.
53 × 10³ __________
Answer:
53 × 10³ = 53 × 10 × 10 × 10 = 53,000

Question 8.
What happens to the decimal point if you multiply a number by a power of 10?
__________________________________
Answer:
To multiply by a power of 10, simply move the decimal to the right in the same number of places as the exponent or as the number of zeros.

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 1 Lesson 2 Patterns in Place Value are as per the latest syllabus guidelines.

McGraw-Hill Math Grade 5 Answer Key Chapter 1 Lesson 2 Patterns in Place Value

Solve

Question 1.
What is the value of 8 in 589? 80 or 8 tens
What is the value of 8 in 438?
How does the value of 8 in 589 compare to the value of 8 in 438?
Answer:
The value of 8 in 589 is 80 or 8 tens
The value of 8 in 438 is 8 or 8 ones
The value of 8 in 589 is different compared to the value of 8 in 438 because in 589 it is in the hundreds place and in 438 it is in ones place.

Question 2.
What is the value of 7 in 367? ___________
What is the value of 7 in 574? __________
How does the value of 7 in 367 compare to the value of 7 in 574?
Answer:
The value of 7 in 367 is 7 ones.
The value of 7 in 574 is 70 or 7 tens
The value of 7 in 367 is different compared to the value of 7 in 574 because in 367 it is in ones place and in 574 it is in hundreds place.

Describe the place value comparisons.

Question 3.
Compare the value of 4 in 4,605 to the value of 4 in 8,422.
Answer:
The value 4 in 4605 is 4000 and the value of 4 in 8422 is 400.

Question 4.
Compare 3 in 593 to 3 in 935.
Answer: The value of 3 in 593 is 3 and the value of 3 in 935 is 3 tens or 30.

Solve.

Question 5.
Hal is thinking of two numbers. Each number includes the digits 3, 5, and 7. The 3 in the first number has \(\frac{1}{10}\) the value of the 3 in the second number The value of the 5 in the first number is 10 times greater than the 5 in the second number. The 7 is in the hundreds place in both numbers. What are the two numbers Hal is thinking of?
Answer:
Given,
Hal is thinking of two numbers. Each number includes the digits 3, 5, and 7.
The 3 in the first number has \(\frac{1}{10}\) the value of the 3 in the second number
The value of the 5 in the first number is 10 times greater than the 5 in the second number.
The 7 is in the hundreds place in both numbers.
It means in both the numbers the number starts with 7.
The first number might be 753 and the second number might be 735.

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 1 Lesson 1 Place Value are as per the latest syllabus guidelines.

McGraw-Hill Math Grade 5 Answer Key Chapter 1 Lesson 1 Place Value

Write

Write each number in expanded form.

Question 1.
2,715,434,121
2,715,434,121 = (2 × 1.000.000.000) + (7 × 100,000,000) + (1 × 10,000,000) + (5 × 1,000.000) + (4 × 100,000) + (3 × 10.000) + (4× 1,000) + (1 × 100) + (2 × 10) + (1 × 1)

Question 2.
5,042,699,001
Answer: 5,042,699,001 = (5 × 1.000.000.000) + (0 × 100,000,000) + (4 × 10,000,000) + (2 × 1,000.000) + (6 × 100,000) + (9 × 10.000) + (9× 1,000) + (0 × 100) + (0 × 10) + (1 × 1)

Write each number in word form.

Question 3.
4,257,793,436
Answer: 4,257,793,436 in word form can be written as Four Billion Two Hundred Fifty Seven Million Seven Hundred Ninety-three Thousand Four Hundred Thirty-six

Question 4.
6,207,490,021
Answer: 6,207,490,021 in word form can be written as Six Billion Two Hundred Seven Million Four Hundred Ninety Thousand Twenty-one.

Write each number in shortened word form.

Question 5.
1,450,000,212
Answer: 1 Billon 450 Million 2 Hundred and 12.

Question 6.
5,842,776,481
Answer: 5 Billion 842 Million 776 Thousand 4 Hundred and 81.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 3 Lesson 6 Arrays and Number Sentences will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 3 Lesson 6 Arrays and Number Sentences

Write a Number Sentence

Write a number sentence to tell what each array shows.

Question 1.

2 + 2 + 2 = 6

Question 2.

___ + ____ = ____
Answer: 5 + 5 = 10
There are two rows and five columns of birds.
Total = 5 + 5 = 10

Question 3.

___ + ____ = ____
Answer:
There are two rows and four columns
4 + 4 = 8

Question 4.

Answer:
There are 5 rows and 5 columns.
5 + 5 + 5 + 5 + 5 = 25

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 3 Lesson 5 Arrays will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 3 Lesson 5 Arrays

Add

Look at the array. Write the sum.

Question 1.

3 + 3 = 6 basketballs

Question 2.

5 + 5 + 5 = ___ fish
Answer: 5 + 5 + 5 = 15 fish
3 × 5 = 15

Question 3.

5 + 5 + 5 + 5 + 5 = ___ paperclips
Answer: 5 + 5 + 5 + 5 + 5 = 25 paperclips
5 × 5 = 25 paperclips

Question 4.

6 + 6 = ___ cars
Answer:
6 + 6 = 12 cars
2 × 6 = 12 cars

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 3 Lesson 4 Counting by 5s will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 3 Lesson 4 Counting by 5s

Count

Circle the objects into groups of five. Then count by 5s. Write the numbers.

Question 1.

Answer:
Apples are divided into 3 groups and each group has 5 apples.

Question 2.

_________ _____ _____ _____
Answer:

_________5_____                 _____10_____        ______15_________       ______20________
There are 20 pencils.
Pencils are divided into 4 groups and each group has 5 pencils

Question 3.

____ ____ ____ ___ ____
Answer:

_______5_______      _______10_____    _____15_______    _______20______   _______25______
There are 25 lemons
There are 5 groups and each group is divided into 5 lemons.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 3 Lesson 3 Even and Odd Sums will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 3 Lesson 3 Even and Odd Sums

Identify

Write the sum. Tell if the sum is even or odd.

Question 1.
5 + 5 = 10 even

Question 2.
12 + 7 = ____ ____
Answer:
12 + 7 = 19
19 is an odd number. It is not divisible by 2.

Question 3.
6 + 8 = ____ ____
Answer:
6 + 8 = 14
14 is an even number.

Question 4.
5 + 9 = ____ _____
Answer:
5 + 9 = 14
14 is an even number.