Practice questions available in **McGraw Hill Math Grade 2 Answer Key PDF Chapters 1–4 Review Test** will engage students and is a great way of informal assessment.

## McGraw-Hill Math Grade 2 Chapters 1–4 Review Test Answer Key

**Add or subtract. Write the sum or difference.**

Question 1.

2 + 4 = ____

Answer:

6

Explanation:

The sum of 2 and 4 is 6.

Question 2.

11 + 3 = ___

Answer:

14

Explanation:

The sum of 11 and 3 is 14.

Question 3.

9 + 8 = ___

Answer:

17

Explanation:

The sum of 9 and 8 is 17.

Question 4.

4 + 2 + 7 = ____

Answer:

13

Explanation:

4 + 2 + 7 = (4 + 2) + 7

= 6 + 7 = 13

So, the sum of 4, 2 and 7 is 13.

Question 5.

7 – 3 = ___

Answer:

4

Explanation:

The sum of 7 and 3 is 4.

Question 6.

10 – 10 = ___

Answer:

0

Explanation:

The difference of any number from itself is 0.

Question 7.

18 – 4 = ___

Answer:

14

Explanation:

The difference of 18 and 4 is 14.

Question 8.

14 – 9 = ____

Answer:

5

Explanation:

The difference of 14 and 9 is 5.

**Solve. Write the number sentence. Then write the answer.**

Question 9.

Lucy catches 4 . Her mom catches 9 . How many do they catch in all?

____ + ____ = ___

Answer:

4 + 9 = 13

Explanation:

Lucy catches 4

Her mom catches 9

Add: 4 and 9

4 + 9 = 13

So, they catch 13 in all.

Question 10.

Ken has 8 . He gives 6 to his brother. Then his dad gives Ken 7 more . How many does Ken have now?

____ – ___ = ___

____ + ___ = ___

Answer:

8 – 6 = 2

2 + 7 = 9

Explanation:

Ken has 8

He gives 6 to his brother

Then his dad gives Ken 7 more

First subtract: 8 – 6 = 2

Then add: 2 + 7 = 9

So, Ken have 9 now.

Question 11.

There are 15 on a plate. Annie takes 6 . How many are left?

____ – ____ = ____

Answer:

15 – 6 = 9

Explanation:

There are 15 on a plate

Annie takes 6

Subtract: 15 – 6 = 9

So, 9 are left.

Question 12.

A store has 6 . It also has 10 . The store sells 8 kites. How many kites are left?

___ + ___ = ____ kites

___ – ___ = ____ kites

Answer:

6 + 10 = 16 kites

16 – 8 = 8 kites

Explanation:

A store has 6

It also has 10

The store sells 8 kites

Add: 6 + 10 = 16

Subtract: 16 – 8 = 8

So, There are 8 kites left.

**Draw a picture and write a number sentence to solve. Use another sheet of paper for your drawing.**

Question 13.

Ms. Chan has 11 black buttons. She has 6 brown buttons. How many buttons does she have in all?

__ __ = ?

______ buttons

Answer:

11 + 6 = 17

17 buttons

Explanation:

Ms. Chan has 11 black buttons

She has 6 brown buttons

Add to find total

11 + 6 = 17

So, there are 17 buttons in all.

Question 14.

Jill has 14 toy cars. She gives 8 of them to her sister. How many cars does Jill have now?

____ ___ = ?

___ toy cars

Answer:

14 – 8 = 6

6 toy cars

Explanation:

Jill has 14 toy cars

She gives 8 of them to her sister

Subtract to find

14 – 8 = 6

So, Jill have 6 toy cars now.

**Add or subtract. Write the sum or difference.**

Question 15.

Answer:

Explanation:

The sum of 34 and 15 is 49.

Question 16.

Answer:

Explanation:

The sum of 22 and 64 is 86.

Question 17.

Answer:

Explanation:

The sum of 38 and 27 is 65.

Question 18.

Answer:

Explanation:

The sum of 56 and 18 is 74.

Question 19.

Answer:

Explanation:

The difference of 58 and 23 is 35.

Question 20.

Answer:

Explanation:

The difference of 46 and 25 is 21.

Question 21.

Answer:

Explanation:

The difference of 63 and 17 is 46.

Question 22.

Answer:

Explanation:

The difference of 81 and 28 is 53.

Question 23.

Answer:

Explanation:

The difference of 96 and 29 is 67.

**Write the number sentence for each exercise. Then solve and write your answer.**

Question 24.

There are 35 books on a shelf. Ms. Jones takes 9 books. How many books are left?

____ books

Answer:

26 books

Explanation:

There are 35 books on a shelf

Ms. Jones takes 9 books

Subtract to find the number of books left

35 – 9 = 26

So, 26 books are left.

Question 25.

June has 67 blocks. Kevin has 48 blocks. How many more blocks does June have than Kevin?

____ blocks

Answer:

19 blocks

Explanation:

June has 67 blocks

Kevin has 48 blocks

Subtract to find how many more

67 – 48 = 19

So, June has 19 blocks more than Kevin.

Question 26.

A store has 48 bikes. The store sells 20 bikes. The store gets 35 more bikes. How many bikes are in the store now?

____ bikes

Answer:

63 bikes

Explanation:

A store has 48 bikes

The store sells 20 bikes

First subtract: 48 – 20 = 28

The store gets 35 more bikes

Now add: 28 + 35 = 63

So, 63 bikes are in the store now.

Question 27.

Mr. Lewis has 83 nails. He uses 56 of them. He gets 30 more nails. How many nails does he have now?

____ nails

Answer:

57 nails

Explanation:

Mr. Lewis has 83 nails

He uses 56 of them

First subtract: 83 – 56 = 27

He gets 30 more nails

Now add: 27 + 30 = 57

So, Mr. Lewis have 57 nails now.

Question 28.

Bob has 28 stamps. Nick has 53 stamps. They use 47 stamps. How many stamps are left over?

____ stamps

Answer:

34 stamps

Explanation:

Bob has 28 stamps

Nick has 53 stamps

Add: 28 + 53 = 81

They use 47 stamps

Subtract: 81 – 47 = 34

So, 34 stamps have left over.

Question 29.

A store has a basket with 44 apples in it. Another basket has 19 apples. The store sells 40 apples. How many apples does the store still have?

____ apples

Answer:

23 apples

Explanation:

A store has a basket with 44 apples in it

Another basket has 19 apples

Add: 44 + 19 = 63

The store sells 40 apples

Subtract: 63 – 40 = 23

So, there are 23 apples still in the store.

**Solve. Write the unknown number.**

Question 30.

42 + = 70

= ___

Answer:

= 28

Explanation:

42 + ? = 70

Subtract to find the unknown addend

70 – 42 = 28

The missing addend is 28

So, 42 + 28 = 70.

Question 31.

– 24 = 44

= ___

Answer:

= 68

Explanation:

? – 24 = 44

Add to find the missing addends

44 + 24 = ?

44 + 24 = 68

The missing number is 68

So, 68 – 24 = 44.

**Is the number odd or even? Use objects to help. Put them in pairs. Then circle odd or even.**

Question 32.

6 odd even

Answer:

Explanation:

6 is divisible by 2

So, it is even number.

Question 33.

13 odd even

Answer:

Explanation:

13 is not divisible by 2

So, it is an odd number.

Question 34.

9 odd even

Answer:

Explanation:

9 is not divisible by 2

So, it is an odd number.

Question 35.

18 odd even

Answer:

Explanation:

18 is divisible by 2

So, it is even number.

**Circle pairs of objects. Count by 2s. Write the numbers.**

Question 36.

Answer:

Explanation:

I circled pairs of objects

I counted by 2’s and wrote the numbers 2 4 6 8 10

The number increases by 2 each time.

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

Question 37.

Answer:

Explanation:

I circled pairs of objects

I counted by 5’s and wrote the numbers 5 10 15 20 25

The number increases by 5 each time.

**Look at the array. Write the sum.**

Question 38.

5 + 5 + 5 = ____ cherries

Answer:

5 + 5 + 5 = 15 cherries

Explanation:

There are 3 rows of 5 cherries in each row

So, 5 + 5 + 5 = 15.

Question 39.

4 + 4 = ____ ducks

Answer:

4 + 4 = 8 ducks

Explanation:

There are 2 rows of 4 ducks in each row

So, 4 + 4 = 8.

**Add. Write the sum. Tell if the sum is even or odd. ****Circle your answer.**

Question 40.

4 + 5 = _____

odd even

Answer:

Explanation:

4 + 5 = 9

The number 9 is not divisible by 2

It is odd number.

Question 41.

8 + 6 = _____

odd even

Answer:

Explanation:

8 + 6 = 14

The number 14 is divisible by 2

It is even number.

**Write a number sentence to tell what the array shows.**

Question 42.

____ + ___ + ___ = ____

Answer:

4 + 4 + 4 = 12

Explanation:

There are 3 rows of 4 cars in each row

So, 4 + 4 + 4 = 12

Therefore, there are 12 cars in all.

**Count the hundreds, tens, and ones. Write the numbers.**

Question 43.

There are ___ hundreds, ___ tens, and _____ ones.

Answer:

There are 5 hundreds 4 tens and 7 ones

Explanation:

There are 2 hundred blocks, 4 tens sticks and 7 ones cubes.

Question 44.

Skip count by 5s. Write the numbers.

245, 250 _____ _____ _____ _____ _____

Answer:

245, 250, 255, 260, 265, 270, 275

Explanation:

I counted by 5’s and wrote the next 5 numbers from 250

The number increases by 5 each time.

Question 45.

Skip count by 10s. Write the numbers.

300, 310 ____ ____ ____ ____ ____

Answer:

300, 310, 320, 330, 340, 350

Explanation:

I counted by 10’s and wrote the next 5 numbers from 310

The number increases by 10 each time.

Question 46.

Skip count by 100s. Write the numbers.

300 400 _____ _____ _____ _____ ___

Answer:

300 400 500 600 700 800 900

Explanation:

I counted by 100’s and wrote the next 5 numbers from 400

The number increases by 100 each time.

Question 47.

Write the number shown.

_________

Answer:

452

Explanation:

There are 4 hundreds 5 tens and 2 ones

So, the number is 452.

Question 48.

Write the number in words.

_________

Answer:

Four hundred fifty-two

Explanation:

The number 452 in words is Four hundred fifty-two.

**Compare each set of numbers. Write <, >, or = to tell how they compare.**

Question 49.

460 ____ 535

Answer:

460 < 535

Explanation:

The number 460 is less than 535.

Question 50.

327 ___ 314

Answer:

327 > 314

Explanation:

The number 327 is greater than 314.

Question 51.

819 ___ 819

Answer:

819 = 819

Explanation:

The number 819 is equal to 819.

Question 52.

396 ___ 392

Answer:

396 > 392

Explanation:

The number 396 is greater than 392.