Practice questions available in **McGraw Hill Math Grade 2 Answer Key PDF Chapters 1–9 Review Test** will engage students and is a great way of informal assessment.

## McGraw-Hill Math Grade 2 Chapters 1–9 Review Test Answer Key

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

Question 1.

5 + 2 = ___________

Answer:

5 + 2 = 7

Explanation:

The sum of 5 and 2 is 7.

Question 2.

3 + 8 = ___________

Answer:

3 + 8 = 11

Explanation:

The sum of 3 and 8 is 11.

Question 3.

12 + 4 = ___________

Answer:

12 + 4 = 16

Explanation:

The sum of 12 and 4 is 16.

Question 4.

9 + 9 + 1 = ___________

Answer:

9 + 9 + 1 = 19

Explanation:

9 + 9 + 1 = 9 + (9 + 1)

= 9 + 10 = 19

So, 9 + 9 + 1 = 19.

Question 5.

6 + 5 + 4 = ___________

Answer:

6 + 5 + 4 = 15

Explanation:

6 + 5 + 4 = (6 + 5) + 4

= 11 + 4 = 15

So, 6 + 5 + 4 = 15.

Question 6.

5 – 3 = ___________

Answer:

5 – 3 = 2

Explanation:

The difference of 5 and 3 is 2.

Question 7.

14 – 14 = ___________

Answer:

14 – 14 = 0

Explanation:

The difference of any number from itself is 0.

Question 8.

17 – 3 = ___________

Answer:

17 – 3 = 14

Explanation:

The difference of 17 and 3 is 14.

Question 9.

19 – 13 = ___________

Answer:

19 – 13 = 6

Explanation:

The difference of 19 and 13 is 6.

Question 10.

10 – 9 = ___________

Answer:

10 – 9 = 1

Explanation:

The difference of 10 and 9 is 1.

**Solve. Write the number sentence.**

Question 11.

John sees 3 flying. He sees 6 on a wire. How many does he see in all?

_________ + _________ = _________

Answer:

3 + 6 = 9

Explanation:

John sees 3 flying

He sees 6 on a wire

Add: 3 + 6 = 9

So, John sees 9 in all.

Question 12.

Alice has 13 . She gives 8 to Tammy. Then Alice buys 5 more . How many does Alice have now?

___________ – ___________ = _________

___________ + ___________ = _________

Answer:

13 – 8 = 5

5 + 5= 10

Explanation:

Alice has 13

She gives 8 to Tammy

Subtract: 13 – 8 = 5

Then Alice buys 5 more

Add: 5 + 5 = 10

So, Alice have 10 now.

Question 13.

There are 17 people on a bus. 12 people get off the bus. How many people are on the bus now?

___________ – ___________ = _________ people

Answer:

17 – 12 = 5 people

Explanation:

There are 17 people on a bus

12 people get off the bus

Subtract: 17 – 12 = 5

So, there are 5 people on the bus now.

Question 14.

Ms. Lee has 13 grapes. She eats 6 grapes. How many grapes are left?

___________ – ___________ = _________ grapes

Answer:

13 – 6 = 7 grapes

Explanation:

Ms. Lee has 13 grapes

She eats 6 grapes

Subtract: 13 – 6 = 7

So, there are 7 grapes left.

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

Question 15.

Answer:

Explanation:

The sum of 41 and 25 is 66.

Question 16.

Answer:

Explanation:

The sum of 18 and 45 is 63.

Question 17.

Answer:

Explanation:

The difference of 67 and 31 is 36.

Question 18.

Answer:

Explanation:

The difference of 42 and 28 is 14.

Question 19.

Answer:

Explanation:

The sum of 83 and 15 is 98.

Question 20.

Answer:

Explanation:

The sum of 44 and 14 is 58.

Question 21.

Answer:

Explanation:

The difference of 78 and 78 is 0.

Question 22.

Answer:

Explanation:

The difference of 91 and 55 is 36.

**Add or subtract to solve. Show your work.**

Question 23.

Mr. Brown plants 26 flowers by the shed. He plants 45 flowers by the house. How many flowers does Mr. Brown plant?

_____________ flowers

Answer:

Explanation:

Mr. Brown plants 26 flowers by the shed

He plants 45 flowers by the house

Add: 26 and 45

26 + 45 = 71

So, Mr. Brown planted 71 flowers.

Question 24.

There are 53 muffins in the bake shop. The shop sells 28 muffins. How many muffins are left?

___________ muffins

Answer:

Explanation:

There are 53 muffins in the bake shop

The shop sells 28 muffins

Subtract: 53 – 28 = 25

So, 25 muffins are left.

**Solve for the unknown number. Ask yourself: Do I need to add or subtract to find the unknown number? Write the answer on the line.**

Question 25.

Answer:

Explanation:

Given 46 + ? = 83

So, subtract to find

83 – 46 = ?

83 – 46 = 37

So, the value of the triangle is 37.

Question 26.

Answer:

Explanation:

Given ? – 45 = 38

Add to find

45 + 38 = ?

45 + 38 = 83

So, the value of the square s 83.

**Tell whether a number is odd or even. Use paper clips or other small objects. Try to put the objects in pairs. Then circle odd or even.**

Question 27.

6

odd

even

Answer:

Explanation:

6 is an even number as it is divisible by 2.

Question 28.

17

odd

even

Answer:

Explanation:

17 is an odd number as it is not divisible by 2.

Question 29.

12

odd

even

Answer:

Explanation:

12 is an even number as it is divisible by 2.

Question 30.

9

odd

even

Answer:

Explanation:

9 is an odd number as it is not divisible by 2.

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

Question 31.

_________ + _________ + _________ = __________

Answer:

4 + 4 + 4 = 12

Explanation:

The array shows 3 rows of 4 stars

So, the number sentence that the array shows is 4 + 4 + 4 = 12.

Question 32.

_________ + _________ = __________

Answer:

5 + 5 = 10

Explanation:

The array shows 2 rows of 5 birds

So, the number sentence that the array shows is 5 + 5 = 10.

Question 33.

Write the number in words.

Answer:

Five hundred twenty-seven.

Explanation:

The above quick picture represents the number 527

The number in words is Five hundred twenty-seven.

Question 34.

Write the number in expanded form.

Answer:

527 = 500 + 20 + 7

Explanation:

The above quick picture represents the number 527

The number 527 in expanded form is 500 + 20 + 7.

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

Question 35.

539 ______ 395

Answer:

539 > 395

Explanation:

The number 539 is greater than 395.

Question 36.

413 ______ 431

Answer:

413 < 431

Explanation:

The number 413 is less than 431.

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

Question 37.

Answer:

Explanation:

The difference of 728 and 502 is 226.

Question 38.

Answer:

Explanation:

The difference of 673 and 295 is 378.

Question 39.

Answer:

Explanation:

The difference of 635and 100 is 535.

Question 40.

Answer:

Explanation:

The difference of 581 and 100 is 481.

Question 41.

Answer:

Explanation:

The sum of 128 and 802 is 930.

Question 42.

Answer:

Explanation:

The sum of 327 and 184 is 511.

Question 43.

Answer:

Explanation:

The sum of 220, 314 and 372 is 1006.

Question 44.

Answer:

Explanation:

The sum of 470, 414 and 72 is 956.

**Solve. Write your answer.**

Question 45.

Judy sees this problem in a book: 220 + = 538. How can she find the missing addend?

Answer:

Explanation:

Judy sees this problem in a book

220 + = 538

So, subtract 220 from 538 is find the missing addend

538 – 220 = ?

538 – 220 = 318

So, the missing addend is 318.

**Look at each clock. Write the time with A.M. or P.M.**

Question 46.

Afternoon

Answer:

4:50 P.M.

Explanation:

The time shown in the clock is 4:50

As it is afternoon it is 4:50 P.M.

Question 47.

Morning

Answer:

8:15 A.M.

Explanation:

The time shown in the clock is 8:15

As it is morning it is 8:15 A.M.

**Count the money. Write the total. Use the ¢ or $ symbol.**

Question 48.

Answer:

$1 ¢89

Explanation:

There is 1$, 3 quarters, 1 dime and 4 nickels

3 quarters = 3 x 25 = 75 ¢

1 dime = 1 x 10 = 10 ¢

4 nickels = 4 x 1 = 4 ¢

Add: 75 + 10 + 4 = 89

The value of the given money is $1 ¢89.

Question 49.

Draw a shape with 3 angles.

Answer:

Explanation:

A triangle is a shape that has 3 sides and 3 angles

So, i drew a triangle.

Question 50.

Which shape is a cube? Circle it.

Answer:

Explanation:

The first shape is a cube

So, i drew a circle around the first shape.

Question 51.

Draw a box around the circle that shows thirds.

Answer:

Explanation:

The middle circle show thirds

So, i drew a box around the middle circle.

Question 52.

Which shapes have half colored blue? Circle them.

Answer:

Explanation:

The middle and the last squares are half colored blue

So, i drew circles around the middle and the third squares.

Question 53.

Sharon measures the length of a bike 2 times. She measures the bike in feet. It is 6 feet long. Then she measures the bike in yards. It is 2 yards long. Why are there more feet than yards?

Answer:

Feet is a shorter measurement than a yard

So, there are more feet than yards.

Question 54.

Find a water glass at home. Estimate how tall it is. Then measure the glass.

Estimate: about ___________ centimeters

Measure: ___________ centimeters

Answer:

Estimate: about 10 centimeters

Measure: 12 centimeters

Explanation:

I took a water glass

I estimated that i would be 10 cm tall

I measured the glass using a ruler

The glass is 12 centimeters tall.

**Use the bar graph to help you answer the questions.**

Margaret draws a graph. It shows the favorite juices of the children in her class.

Question 55.

How many children chose orange juice?

Answer:

6 children

Explanation:

Margaret draws a graph

It shows the favorite juices of the children in her class

The bar at the orange juice is till 6

So, 6 children chose orange juice.

Question 56.

How many more children chose apple juice than grapefruit juice?

Answer:

5 children

Explanation:

Margaret draws a graph

It shows the favorite juices of the children in her class

8 children chose apple juice

3 children chose grape fruit juice

8 – 3 = 5

So, 5 more children chose apple juice than grapefruit juice.

Question 57.

How many children chose grape juice or apple juice?

Answer:

4 children

Explanation:

Margaret draws a graph

It shows the favorite juices of the children in her class

8 children chose apple juice

4 children chose grape juice

8 – 4 = 4

So, 4 more children chose apple juice than grape juice.

Question 58.

Which juice was chosen the least?

Answer:

Grapefruit juice

Explanation:

Only 3 children chose grapefruit juice

So, grapefruit juice is chosen least.