We included **HMH Into Math Grade 3 Answer Key PDF** **Module 1 Review **to make students experts in learning maths.

## HMH Into Math Grade 3 Module 1 Review Answer Key

**Vocabulary**

Commutative

Property of

Multiplication

equal groups

factors

multiply

product

**Choose the correct term from the Vocabulary box.**

Question 1.

The answer to a multiplication problem is the ______

Answer:

The answer to a multiplication problem is the product.

Question 2.

When each group has the same number of objects, these are ______

Answer:

When each group has the same number of objects, these are equal groups.

Question 3.

The ______ states that you can multiply factors in any order, and the product stays the same.

Answer:

The commutative property of multiplication states that you can multiply factors in any order, and the product stays the same.

Question 4.

The ____________ are the numbers being multiplied.

Answer:

The factors are the numbers being multiplied.

**Concepts and Skills**

Question 5.

**Use Tools** What is the unknown number in the equation?

6 × 7 = 7 × __

Tell the strategy or tool you will use to solve the problem,

explain your choice, and then find the answer.

A. 6

B. 7

C. 13

D. 42

Answer:

A. 6

Explanation:

The commutative property of multiplication states that you can multiply factors in any order, and the product stays the same.

So, 6 x 7 will be equal to 7 x 6.

Question 6.

There are 3 trays on a counter. Each tray has 8 plates. Write an addition equation and a multiplication equation to find the number of plates on 3 trays.

Answer:

24 plates on 3 trays

Explanation:

There are 3 trays on a counter

Each tray has 8 plates

The addition equation that solves the problem is 8 + 8 + 8 = 24

The multiplication equation that solves the problem is 3 x 8 = 24

So, there are 24 plates on 3 trays.

Question 7.

Trey makes 4 groups of books. Each group has 9 books. How many books does Trey have? Select all the equations that model the problem.

A. 9 × 4 = 36

B. 4 × 9 = 36

C. 9 + 9 + 9 + 9 = 36

D. 4 + 9 = 13

E. 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 32

Answer:

A, B, C and E

Explanation:

Trey makes 4 groups of books

Each group has 9 books

The addition equation that solves the problem is

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 32 or

9 + 9 + 9 + 9 = 24

The multiplication equation that solves the problem is

4 x 9 = 36

The related equation is

4 x 9 = 36

So, The options A, B, C and E are correct options that model the problem.

Question 8.

Miroki uses 5 pieces of string to measure the length of a shelf. Each string is 9 centimeters long. What multiplication equation can you write to model the problem? What is the length of the shelf?

Answer:

45 centimeters

Explanation:

Miroki uses 5 pieces of string to measure the length of a shelf

Each string is 9 centimeters long

Use multiplication equation to find

5 x 9 = 45 centimeters

So, the length of the shelf is 45 centimeters.

Question 9.

Elsie tells Reza she arranged bricks for a 9 × 4 walkway. How might Reza describe the arrangement of bricks in Elsie’s rectangular walkway?

Answer:

Elsie tells Reza she arranged bricks for a 9 × 4 walkway

Reza can describe the rectangular walkway as

Elsie made a walkway of bricks with 9 rows of bricks with 4 bricks in each row.

Question 10.

Misha writes 5 storybooks. Each storybook has 7 pages. How many pages are in Misha’s storybooks?

- Draw a bar model to show the problem.
- Write an equation and solve the problem.

Answer:

35 pages are in Misha’s storybooks

Explanation:

Misha writes 5 storybooks

Each storybook has 7 pages

The bar model that shows the problem is

The multiplication equation that solves the problem is

5 x 7 = 35

So, 35 pages are in Misha’s storybooks.