# Into Math Grade 3 Module 7 Lesson 2 Answer Key Write Related Facts

We included HMH Into Math Grade 3 Answer Key PDF Module 7 Lesson 2 Write Related Facts to make students experts in learning maths.

## HMH Into Math Grade 3 Module 7 Lesson 2 Answer Key Write Related Facts

I Can write related multiplication and division equations to solve problems.

Jasper grows these watermelons.
Write a multiplication problem and a division problem about Jasper’s watermelons.
Show equal groups to solve.

4×3 = 12,
12÷4 = 3.

Explanation:
The multiplication and the division equation is 4×3 = 12 and 12÷4 = 3.

Turn and Talk What equations can you write to model the problems you wrote about Jasper’s watermelons?

12÷4 = 3 and 4×3 = 12.

Explanation:
The equations are 12÷4 = 3 and 4×3 = 12.

Build Understanding

1. A grocery store arranges apples in a display. How can you use multiplication and division to represent the apples in the display?

Show equal groups.

A. How many groups of apples are there? How many apples are in each group?
_________________________

5 groups of apples with 4 apples in each group.

Explanation:
There are 5 groups of apples and 4 apples in each group are there.

Connect to Vocabulary
Related facts are a set of related multiplication and division equations.

B. What multiplication equation can you write to show how many apples are in the display? ________

5×4 = 20

Explanation:
The multiplication equation is 5×4 = 20 apples.

C. What division fact related to your multiplication fact can you write to show the number of equal groups? __________

20÷5 = 4.

Explanation:
The division fact that is related to the multiplication fact to show the number of equal groups is 20÷5 = 4.

D. How do you use the numbers in a multiplication equation to write the related division equation?
_________________________________

5×4 = 20,
20÷5 = 4.

Explanation:
The multiplication equation is 5×4 = 20 and the division equation is 20÷5 = 4.

Turn and Talk How do you know if a multiplication fact is related to a division fact?

Step It Out

2. What are the related facts for 5, 6, and 30?
A. Use 30 tiles to make an array. Shade the area model to show your array.

B. What two multiplication equations can you write for your array? ________

5×6 = 30,
6×5 = 30.

Explanation:
The two multiplication equations that can write for an array are 5×6 = 30 and 6×5 = 30.

C. What two division equations can you write for your array? ______

30÷6 =5,
30÷5 =6.

Explanation:
The two division equations are 30÷6 =5 and 30÷5 =6.

Turn and Talk What is the greatest number of multiplication and division facts that can be written for a set of numbers? What is the least? Give examples.

Check Understanding Math Board

Question 1.
A garden store has 48 flower plants arranged in 6 equal rows. Write an equation to show how many plants are in each row. Then write a related fact.

48÷6 = 8,
48÷8 = 6,
6×8 = 48,
8×6 = 48.

Explanation:
Given that a garden store has 48 flower plants arranged in 6 equal rows. So the equation will be 48÷6 = 8 and 48 ÷8 = 6. And the multiplication equation will be 6×8 = 48 and 8×6 = 48.

Question 2.
What are the related facts for 4, 7, and 28?
4×7 = 28,
7×4 =28,
28÷7 =4,
28÷4 =7.

Explanation:
The related facts are 4×7 = 28, 7×4 =28 and 28÷7 =4 and 28÷4 = 7.

Question 3.
Model with Mathematics There are 9 stacks of 5 trays in a cafeteria. What multiplication equation represents the number of trays? ____

9×5 = 45,
5×9 = 45,
45÷9 = 5,
45÷5 = 9.

Explanation:
Given that there are 9 stacks of 5 trays in a cafeteria. So the multiplication equation will be 9×5 = 45, 5×9 = 45, and the division equations will be 45÷9 = 5, 45÷5 = 9.

Write a related division equation. _____
45÷9 = 5, 45÷5 = 9.

Explanation:
The related division equations are 45÷9 = 5, 45÷5 = 9.

Write the related facts for the set of numbers.

Question 4.
3, 5, 15
__ ÷ ___ = ___
___ × ____ = ___
__ ÷ ___ = ___
___ × ____ = ___
15 ÷ 5 = 3,
5 × 3 = 15,
15 ÷ 3 = 5,
3 × 5 = 15.

Explanation:
The related facts for the set of given numbers are
15 ÷ 5 = 3,
5 × 3 = 15,
15 ÷ 3 = 5,
3 × 5 = 15.

Question 5.
2, 9, 18
__ ÷ ___ = ___
___ × ____ = ___
__ ÷ ___ = ___
___ × ____ = ___
18 ÷ 9 = 2,
9 × 2 = 18,
18 ÷ 2 = 9,
2 × 9 = 18.

Explanation:
The related facts for the set of given numbers are
18 ÷ 9 = 2,
9 × 2 = 18,
18 ÷ 2 = 9,
2 × 9 = 18.

Question 6.
Reason What do you notice about the product and the dividend in a set of related facts? Give an example.

Question 7.
Use Structure How many related facts does the set of numbers 7, 7, 49 have? Explain your answer.
49 ÷ 7 = 7,
7 × 7 = 49.

Explanation:
The related facts for the set of given numbers are
49 ÷ 7 = 7,
7 × 7 = 49.

I’m in a Learning Mindset!

How did I organize my learning when writing related facts?
__________________________
__________________________

Scroll to Top
Scroll to Top