All the solutions provided in **McGraw Hill My Math Grade 3 Answer Key PDF Chapter 7 Check My Progress **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 3 Chapter 7 Check My Progress Answer Key

**Check My Progress Page No. (395 – 396)**

**Vocabulary Check**

Label each with the correct word(s).

decompose

dividend

divisor

inverse operations

known fact

quotient

Answer:

Question 5.

A _____________ is a fact you have memorized.

Answer:

A known fact is a fact you have memorized.

Question 6.

You can ___________ 6 into two equal addends; 3 + 3.

Answer:

You can decompose 6 into two equal addends; 3 + 3.

**Concept Check**

**Draw an array for each. Then write two multiplication sentences.**

Question 7.

3 rows of 6

Answer:

The array of 3 rows of 6 is

The two multiplication sentence is

3 x 6 = 18.

6 x 3 = 18.

Question 8.

4 rows of 6

Answer:

The array of 4 rows of 6 is

The multiplication sentence is

4 x 6 = 24.

6 x 4 = 24.

Question 9.

Draw jumps on the number line to find 27 ÷ 3.

27 ÷ 3 = ______________

Answer:

27 divided by 3 = 9.

27 ÷ 3 = 9.

Subtraction repeated times is

27 – 3 = 24

24 – 3 = 21

21 – 3 = 18.

18 – 15 = 12.

12 – 3 = 9.

9 – 3 = 6.

6 – 3 = 3.

3 – 3 = 0.

**Algebra Use a related multiplication fact to find the unknown.**

Question 10.

21 ÷ 3 =

× 3 = 21

The unknown is ______________.

Answer:

21 divided by 3 = 7

21 ÷ 3 = 7.

Multiplication of 7 with 3 then you get 21.

7 x 3 = 21.

The unknown is 7

Question 11.

32 ÷ 4 =

4 × = 32

The unknown is ______________.

Answer:

32 divided by 4 equal to 8.

32 ÷ 4 = 8.

Multiplication of 4 with 8 then you get 32.

4 x 8 = 32.

The unknown is 32.

**Double a known fact to find each product. Draw an array.**

Question 12.

6 × 5 = _____________

Answer:

Multiplication of 6 with 5 then you get 30.

6 x 5 = 30.

The array of 6 x 5 is

Question 13.

6 × 7 = _______________

Answer:

Multiplication of 6 with 7 then you get 42.

6 x 7 = 42.

The array of 6 x 7 is

**Problem Solving**

Question 14.

There are 4 quarts in one gallon of milk. How many quarts of milk are in the gallons shown below?

Answer:

Given that,

The total milk in one gallon is 4 quarts.

Therefore the total quarts of milk are in the gallons is 4 x 3 = 12.

There are 12 quarts in all gallon.

**Test Practice**

Question 15.

Aisha picked 27 apples. She placed an equal number of apples in 3 bags. How many apples did she place in each bag?

(A) 8 apples

(B) 9 apples

(C) 24 apples

(D) 30 apples

Answer:

Given that,

The total number of apples that Aisha picked is 27.

She placed an equal number of apples in 3 bags.

The number of apples in each bag is 27 ÷ 3 = 9.

Therefore there are 9 apples in each bag.

Option B is the correct answer.