Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies

We included HMH Into Math Grade 4 Answer Key PDF Module 4 Mental Math and Estimation Strategies to make students experts in learning maths.

HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies

How large is the room?

The adoption room at a local animal shelter has four visiting spaces.
Two of the four visiting spaces have tiled floors. Each tile has an area of 4 square feet.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 1$
What is the area of the adoption room?

Turn and Talk

What strategy did you use to find the area? Explain each step.
The manager of the animal shelter wants to separate the adoption room into 3 equal sections for an event. How can you find the area of each section?

Are You Ready?

Complete these problems to review prior concepts and skills you will need for this module.

Multiplication and Division Related Facts

Write the related facts for the array.

Question 1.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 2$
Answer:

Explanation:
Rows x columns
Columns x Rows

Meaning of Division: Equal Groups

Complete the table. Use counters to help.

Question 2.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 3$
Answer:

Explanation:
By using the counters completed the table
15 ÷ 3 = 5

Question 3.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 4$
Answer:

Explanation:
20 ÷ 2 = 10
By using the counters completed the table

Question 4.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 5$
Answer:

Explanation:
6 ÷ 3 = 2
By using the counters completed the table

Question 5.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 6$
Answer:

Explanation:
12 ÷ 3 = 4
By using the counters completed the table

Question 6.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 7$
Answer:

24 ÷ 6 = 4
Explanation:
By using the counters completed the table

Question 7.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 10$
Answer:

42 ÷ 6 = 7
Explanation:
By using the counters completed the table

Question 8.
$HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies 9$
Answer:

Explanation:
72 ÷ 8 = 9
By using the counters completed the table

Unknown Factors

Find the unknown factor.

Question 9.
8 × ___ = 40
Answer:
8 × 5 = 40
40 ÷ 8 = 5
Explanation:
Division is done to find the unknown factor

Question 10.
___ × 9 = 36
Answer:
4 × 9 = 36
36 ÷ 9 = 4
Explanation:
Division is done to find the unknown factor

Question 11.
8 = ___ × 4
Answer:
8 = 2 × 4
8 ÷ 2 = 4
Explanation:
Division is done to find the unknown factor

Question 12.
35 = 5 × ___
Answer:
35 = 5 × 7
35 ÷ 5 = 7
Explanation:
Division is done to find the unknown factor

Question 13.
7 × ___ = 21
Answer:
7 × 3 = 21
21 ÷ 3 = 7
Explanation:
Division is done to find the unknown factor

Question 14.
4 × ___ = 16
Answer:
4 × 4 = 16
16 ÷ 4 = 4
Explanation:
Division is done to find the unknown factor

HMH Into Math Grade 4 Module 4 Answer Key Mental Math and Estimation Strategies

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