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

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 ______
The answer to a multiplication problem is the product.

Question 2.
When each group has the same number of objects, these are ______
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.
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.
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,
A. 6
B. 7
C. 13
D. 42
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.
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
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?
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?
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.