Students of Grade 3 Module 4 can get a strong foundation on mathematics concepts by referring to the Eureka Math Book. It was developed by highly professional mathematics educators and the solutions prepared by them are in a concise manner for easy grasping. To achieve high scores in Grade 3, students need to solve all questions and exercises included in Eureka’s Grade 3 Textbook.

## Engage NY Eureka Math 3rd Grade Module 4 Lesson 7 Answer Key

Teachers and students can find this Eureka Answer Key for Grade 3 more helpful in raising students’ scores and supporting teachers to educate the students. Eureka Math Answer Key for Grade 3 aids teachers to differentiate instruction, building and reinforcing foundational mathematics skills that alter from the classroom to real life. With the help of Eureka’s primary school Grade 3 Answer Key, you can think deeply regarding what you are learning, and you will really learn math easily just like that.

### Eureka Math Grade 3 Module 4 Lesson 7 Problem Set Answer Key

Question 1.

Use a straight edge to draw a grid of equal size squares within the rectangle. Find and label the side lengths. Then, multiply the side lengths to find the area.

a. Area A:

____3____ units × ___4_____ units = ____12____ square units

Answer:

a. The area of the rectangle = 12 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 3 and b = 4.

area = 3 x 4.

area = 12.

b. Area B:

__5______ units × ___4_____ units = ___20_____ square units

Answer:

b. The area of the rectangle = 20 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 5 and b = 4.

area = 5 x 4.

area = 20.

c. Area C:

____2____ units × ___7_____ units = ___14_____ square units

Answer:

c. The area of the rectangle = 14 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 2 and b = 7.

area = 2 x 7.

area = 14.

d. Area D:

___7_____ units × ___4_____ units = ___28_____ square units

Answer:

d. The area of the rectangle = 28 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 7 and b = 4.

area = 7 x 4.

area = 28.

e. Area E:

___1_____ units × ___3_____ units = ___3_____ square units

Answer:

e. The area of the rectangle = 30 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 5 and b = 6.

area = 5 x 6.

area = 30.

f. Area F:

___4_____ units × ___2_____ units = ___8_____ square units

Answer:

f. The area of the rectangle = 8 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 2.

area = 4 x 2.

area = 8.

Question 2.

The area of Benjamin’s bedroom floor is shown on the grid to the right. Each represents 1 square foot. How many total square feet is Benjamin’s floor?

a. Label the side lengths.

Answer:

a. The side lengths of the rectangle = 9 x 11.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 9 and b = 11.

area = 9 x 11.

area = 99.

b. Use a straight edge to draw a grid of equal size squares within the rectangle.

Answer:

b. The area of the rectangle = 99 sq cms.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 9 and b = 11.

area = 9 x 11.

area = 11.

c. Find the total number of squares.

Answer:

c. The area of the rectangle = 99 sq cms.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 9 and b = 11.

area = 9 x 11.

area = 99.

Question 3.

Mrs. Young’s art class needs to create a mural that covers exactly 35 square feet. Mrs. Young marks the area for the mural as shown on the grid. Each represents 1 square foot. Did she mark the area correctly? Explain your answer.

Answer:

No, she did not mark the area correctly.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 7 and b = 6.

area = 7 x 6.

area = 42 square feet.

Question 4.

Mrs. Barnes draws a rectangular array. Mila skip-counts by fours and Jorge skip-counts by sixes to find the total number of square units in the array. When they give their answers, Mrs. Barnes says that they are both right.

a. Use pictures, numbers, and words to explain how Mila and Jorge can both be right.

Answer:

The area of the rectangular array = 24 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 6.

area = 4 x 6.

area = 24.

b. How many square units might Mrs. Barnes’ array have had?

Answer:

The area of the rectangular array = 24 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 6.

area = 4 x 6.

area = 24.

Eureka Math Grade 3 Module 4 Lesson 7 Exit Ticket Answer Key

Question 1.

Label the side lengths of Rectangle A on the grid below. Use a straight edge to draw a grid of equal size squares within Rectangle A. Find the total area of Rectangle A.

Area: ___36_____ square units

Answer:

The area of the rectangular array = 36 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 6 and b = 6.

area = 6 x 6.

area = 36.

Question 2.

Mark makes a rectangle with 36 square centimeter tiles. Gia makes a rectangle with 36 square inch tiles. Whose rectangle has a bigger area? Explain your answer.

Answer:

The Gia rectangle has a bigger area.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 6 and b = 6.

area = 6 x 6.

area = 36.

### Eureka Math Grade 3 Module 4 Lesson 7 Homework Answer Key

Question 1.

Find the area of each rectangular array. Label the side lengths of the matching area model, and write a multiplication equation for each area model.

Answer:

a.The area of the rectangular array = 6 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 3 and b = 2.

area = 3 x 2.

area = 6.

Answer:

b.The area of the rectangular array = 10 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 2 and b = 5.

area = 2 x 5.

area = 10.

Answer:

c.The area of the rectangular array = 12 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 3 and b = 4.

area = 3 x 4.

area = 12.

Answer:

d.The area of the rectangular array = 16 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 4.

area = 4 x 4.

area = 16.

Question 2.

Jillian arranges square pattern blocks into a 7 by 4 array. Draw Jillian’s array on the the grid below. How many square units are in Jillian’s rectangular array?

a.

Answer:

The area of the rectangular array = 28 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 7 and b = 4.

area = 7 x 4.

area = 28.

b. Label the side lengths of Jillian’s array from Part (a) on the rectangle below. Then, write a multiplication sentence to represent the area of the rectangle.

Answer:

The area of the rectangular array = 28 sq units.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 6.

area = 7 x 4.

area = 28.

Question 3.

Fiona draws a 24 square centimeter rectangle. Gregory draws a 24 square inch rectangle. Whose rectangle is larger in area? How do you know?

Answer:

Gregory’s rectangle is larger in area.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 6 and b = 4.

area = 6 x 4.

area = 24.

Eureka Math Grade 3 Module 4 Lesson 7 Template Answer Key

____8__sq__inches_______

area of model

Answer:

The area of the rectangular array = 8 sq inches.

Explanation:

In the above-given question,

given that,

the area of the rectangle = l x b.

where l = 4 and b = 2.

area = 4 x 2.

area = 8.