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## McGraw-Hill Math Grade 3 Chapter 7 Test Answer Key

**Divide. Write the quotient.**

Question 1.

9 ÷ 9 = _________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 1 as

9 x 1 = 9

Question 2.

30 ÷ 6 = ___________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 5 as

6 x 5 = 30

Question 3.

36 ÷ 4 = ____________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 9 as

4 x 9 = 36

Question 4.

28 ÷ 7 = ____________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 4 as

7 x 4 = 28

Question 5.

35 ÷ 5 = ____________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 7 as

5 x 7 = 35

Question 6.

90 ÷ 10 = ___________

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 9 as

10 x 9 = 90

Question 7.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 2 as

6 x 2 = 12

Question 8.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 6 as

10 x 6 = 60

Question 9.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 2 as

1 x 2 = 2

Question 10.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 7 as

7 x 7 = 49

Question 11.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 8 as

9 x 8 = 72

Question 12.

Answer:

7 x 0 = 0

Explanation:

If we multiply number with 0 the answer remains 0.

Multiplication and division are inversely proportion

Question 13.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 3 as

8 x 3 = 24

Question 14.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 1 as

3 x 1 = 3

Question 15.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 5 as

8 x 5 = 40

Question 16.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 1 as

7 x 1 = 7

Question 17.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 9 as

9 x 9 = 81

Question 18.

Answer:

Explanation:

Multiplication and division are inversely proportion

The quotient is 6 as

2 x 6 = 12

Question 19.

What multiplication fact can help you find the quotient in Exercise 18?

Answer:

6 x 2 = 12

2 x 6 = 12

12 ÷ 6 = 2

12 ÷ 2 = 6

Explanation:

A multiplication fact is the answer to a multiplication calculation.

For example, in the sum 4 x 4 = 16, the multiplication fact is 16.

Question 20.

Geeta’s pet dog weighs 42 pounds. If Geeta’s dog could travel to the moon, would it weigh more or less than a 10-pound bag of rice? Remember …….. Objects weigh 6 times less on the moon.

Answer:

Explanation:

It will weigh less than 10 pounds of rice bag

The bag weight is 10 pounds

when dog is on the moon the dog weight might be 7 pounds.

10 > 7

**Read. Then solve.**

Question 21.

Chris made a breadstick that was too long, so he cut it into 7 pieces. Each piece was 3 inches long. How long was the breadstick before Chris cut it? Write a division equation with a letter for the unknown number. Then draw a picture to help solve the problem.

DRAWING

Answer:

7 x 3 = 21

Explanation:

let m be the unknown size

m = 21 ÷ 3 = 7

Question 22.

There are three thirsty camels. One camel drinks 35 gallons of water. Another camel drinks 18 gallons. In all, the three camels drink 84 gallons of water. How much water does the third camel drink? Write an addition equation with a letter for the unknown number.

Answer:

31 galloons

Explanation:

One camel drinks 35 gallons of water. Another camel drinks 18 gallons

35 + 18 = 53 galloons

84 – 53 = 31 galloons

Third camel drinks 31 galloons of water

Question 23.

Camilla says that 321 can be divided by 2. Without dividing, how do you know that she is incorrect?

Answer:

yes, she is incorrect

Explanation:

321 is a odd number

odd numbers cannot be divided by 2.

Question 24.

Write a short division story that uses 48 and 8. Then solve it.

Answer:

6 fishes

Explanation:

A pet store is having a yellow fish sale. Each fish costs 8 cents. How many yellow fish can Shanti buy with 48 cents

8 x 6 = 48

Question 25.

There are 56 toothbrushes at the dentist’s office. They come in different colors: pink, yellow, purple, blue, red, green, and orange. There is the same number of each color toothbrush. How many toothbrushes of each color are there?

Answer:

Explanation:

There are 7 colors

They are pink, yellow, purple, blue, red, green, and orange.

There are 56 toothbrushes

so, 56 ÷ 7 = 8

8 toothbrushes of each color

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