## Engage NY Eureka Math 3rd Grade Module 7 Lesson 27 Answer Key

### Eureka Math Grade 3 Module 7 Lesson 27 Sprint Sheet Answer Key

A
Multiply or Divide by 7  Question 1.
2 × 7 =
2 × 7 = 14.

Question 2.
3 × 7 =
3 × 7 = 21.

Question 3.
4 × 7 =
4 × 7 = 28.

Question 4.
5 × 7 =
5 × 7 = 35.

Question 5.
1 × 7 =
1 × 7 = 7.

Question 6.
14 ÷ 7 =
14 ÷ 7 = 2.

Question 7.
21 ÷ 7 =
21 ÷ 7 = 3.

Question 8.
35 ÷ 7 =
35 ÷ 7 = 5.

Question 9.
7 ÷ 7 =
7 ÷ 7 = 1.

Question 10.
28 ÷ 7 =
28 ÷ 7 = 4.

Question 11.
6 × 7 =
6 × 7 = 42.

Question 12.
7 × 7 =
7 × 7 = 49.

Question 13.
8 × 7 =
8 × 7 = 56.

Question 14.
9 × 7 =
9 × 7 = 63.

Question 15.
10 × 7 =
10 × 7 = 70.

Question 16.
56 ÷ 7 =
56 ÷ 7 = 8.

Question 17.
49 ÷ 7 =
49 ÷ 7 = 7.

Question 18.
63 ÷ 7 =
63 ÷ 7 = 9.

Question 19.
42 ÷ 7 =
42 ÷ 7 = 6.

Question 20.
70 ÷ 7 =
70 ÷ 7 = 10.

Question 21.
___ × 7 = 35
5 × 7 = 35.

Question 22.
___ × 7 = 7
1 × 7 = 7.

Question 23.
___ × 7 = 70
10 × 7 = 70.

Question 24.
___ × 7 = 14
2 × 7 = 14.

Question 25.
___ × 7 = 21
3 × 7 = 21.

Question 26.
70 ÷ 7 =
70 ÷ 7 = 10.

Question 27.
35 ÷ 7 =
35 ÷ 7 = 5.

Question 28.
7 ÷ 7 =
7 ÷ 7 = 1.

Question 29.
14 ÷ 7 =
14 ÷ 7 = 2.

Question 30.
21 ÷ 7 =
21 ÷ 7 = 3.

Question 31.
___ × 7 = 42
6 × 7 = 42.

Question 32.
___ × 7 = 49
7 × 7 = 49.

Question 33.
___ × 7 = 63
9 × 7 = 63.

Question 34.
___ × 7 = 56
8 × 7 = 56.

Question 35.
49 ÷ 7 =
49 ÷ 7 = 7.

Question 36.
63 ÷ 7 =
63 ÷ 7 = 9.

Question 37.
42 ÷ 7 =
42 ÷ 7 = 6.

Question 38.
56 ÷ 7 =
56 ÷ 7 = 8.

Question 39.
11 × 7 =
11 × 7 = 77.

Question 40.
77 ÷ 7 =
77 ÷ 7 = 11.

Question 41.
12 × 7 =
12 × 7 = 84.

Question 42.
84 ÷ 7 =
84 ÷ 7 = 12.

Question 43.
14 × 7 =
14 × 7 = 98.

Question 44.
98 ÷ 7 =
98 ÷ 7 = 14.

B
Multiply or Divide by 7  Question 1.
1 × 7 =
1 × 7 = 7.

Question 2.
2 × 7 =
2 × 7 = 14.

Question 3.
3 × 7 =
3 × 7 = 21.

Question 4.
4 × 7 =
4 × 7 = 28.

Question 5.
5 × 7 =
5 × 7 = 35.

Question 6.
21 ÷ 7 =
21 ÷ 7 = 3.

Question 7.
14 ÷ 7 =
14 ÷ 7 = 2.

Question 8.
28 ÷ 7 =
28 ÷ 7 = 4.

Question 9.
7 ÷ 7 =
7 ÷ 7 = 1.

Question 10.
35 ÷ 7 =
35 ÷ 7 = 5.

Question 11.
10 × 7 =
10 × 7 = 70.

Question 12.
6 × 7 =
6 × 7 = 42.

Question 13.
7 × 7 =
7 × 7 = 49.

Question 14.
8 × 7 =
8 × 7 = 56.

Question 15.
9 × 7 =
9 × 7 = 63.

Question 16.
49 ÷ 7 =
49 ÷ 7 = 7.

Question 17.
42 ÷ 7 =
42 ÷ 7 = 6.

Question 18.
56 ÷ 7 =
56 ÷ 7 = 8.

Question 19.
70 ÷ 7 =
70 ÷ 7 = 10.

Question 20.
63 ÷ 7 =
63 ÷ 7 = 9.

Question 21.
___ × 7 = 7
1 × 7 = 7.

Question 22.
___ × 7 = 35
5 × 7 = 35.

Question 23.
___ × 7 = 14
2 × 7 = 14.

Question 24.
___ × 7 = 70
10 × 7 = 70.

Question 25.
___ × 7 = 21
3 × 7 = 21.

Question 26.
14 ÷ 7 =
14 ÷ 7 = 2.

Question 27.
7 ÷ 7 =
7 ÷ 7 = 1.

Question 28.
70 ÷ 7 =
70 ÷ 7 = 10.

Question 29.
35 ÷ 7 =
35 ÷ 7 = 5.

Question 30.
21 ÷ 7 =
21 ÷ 7 = 3.

Question 31.
___ × 7 = 21
3 × 7 = 21.

Question 32.
___ × 7 = 28
4 × 7 = 28.

Question 33.
___ × 7 = 63
9 × 7 = 63.

Question 34.
___ × 7 = 49
7 × 7 = 49.

Question 35.
56 ÷ 7 =
56 ÷ 7 = 8.

Question 36.
63 ÷ 7 =
63 ÷ 7 = 9.

Question 37.
42 ÷ 7 =
42 ÷ 7 = 6.

Question 38.
49 ÷ 7 =
49 ÷ 7 = 7.

Question 39.
11 × 7 =
11 × 7 = 77.

Question 40.
77 ÷ 7 =
77 ÷ 7 = 11.

Question 41.
12 × 7 =
12 × 7 = 84.

Question 42.
84 ÷ 7 =
84 ÷ 7 = 12.

Question 43.
13 × 7 =
13 × 7 = 91.

Question 44.
91 ÷ 7 =
91 ÷ 7 = 13.

### Eureka Math Grade 3 Module 7 Lesson 27 Problem Set Answer Key

Question 1.
Use the chart below to evaluate your friend’s robot. Measure the width and length of each rectangle. Then, calculate the perimeter. Record that information in the chart below. If your measurements differ from those listed on the project, put a star by the letter of the rectangle.

 Item Width and Length Student’s Perimeter Required Perimeter J About 25 cm K __________ cm by __________cm 82 cm L About 30 cm M __________ cm by __________cm 30 cm N About 20 cm O __________ cm by __________cm 20 cm P Q  Explanation:
Rectangles with their perimeter values are recorded in the above chart. There is a difference noticed in my friend’s perimeters to my perimeters.

Question 2.
Is the perimeter of the robot’s body double that of the arm? Show calculations below.
Yes, the perimeter of the robot’s body is doubled that of the arm.

Explanation:
Perimeter of my Robot’s body = 28cm.
Perimeter of one arm doubled = 14cm + 14cm = 28cm.
Yes, the perimeter of the robot’s body is doubled that of the arm.

Question 3.
Is the perimeter of the robot’s neck half the perimeter of the head? Show calculations below.
Yes, the perimeter of the robot’s neck half the perimeter of the head. Both, calculations are correct.

Explanation:
Perimeter of Robot’s neck = 8cm.
Half the perimeter of the head = 16cm ÷ 2 = 8cm.

Question 4.
Use the chart below to evaluate your friend’s robot environment. Measure the width and length of each rectangle. Then, calculate the perimeter. Use your string to measure the perimeters of non-rectangular items. Record that information in the chart below. If your measurements differ from those listed on the project, put a star by the letter of the shape.

 Rectangle: Width and Length: Perimeter Area A _________ cm by _________cm B _________ cm by _________cm Explanation:
The required width and length of A and B are recorded with their Perimeter and Area.

### Eureka Math Grade 3 Module 7 Lesson 27 Exit Ticket Answer Key

Question 1.
Record the perimeters and areas of Rectangles A and B in the chart below. table
Perimeter of A Rectangle = 20cm.
Perimeter of B Rectangle = 20cm.
Area of A Rectangle = 25 square cm.
Area of B Rectangle = 16 square cm.

Explanation:
Length of A rectangle = 5cm
Width of of A rectangle = 5cm
Perimeter of A Rectangle = 2 ( Length  + Width )
= 2 ( 5cm + 5cm )
= 2 × 10cm
= 20cm.
Area of A Rectangle =  Length × Width
= 5cm × 5cm
= 25 square cm.

Length of B rectangle = 8cm
Width of of B rectangle = 2cm
Perimeter of B Rectangle = 2 ( Length  + Width )
= 2 ( 8cm + 2cm )
= 2 × 10cm
= 20cm.
Area of B Rectangle =  Length × Width
= 8cm × 2cm
= 16 square cm.

Question 2.
What is the same about Rectangles A and B? What is different?
Well, Areas of A and B are different, whereas their Perimeters are same.

Explanation:
Perimeter of A Rectangle = 20cm.
Perimeter of B Rectangle = 20cm.
Area of A Rectangle = 25 square cm.
Area of B Rectangle = 16 square cm.

### Eureka Math Grade 3 Module 7 Lesson 27 Homework Answer Key

Record the perimeters and areas of the rectangles in the chart on the next page. Question 1.
Find the area and perimeter of each rectangle.

 Rectangle Width and Length Perimeter Area A __________ cm by __________cm B __________ cm by __________cm C __________ cm by __________cm D __________ cm by __________cm E _________ cm by __________cm F __________ cm by __________cm  Explanation:
Length and width of the given rectangles with their  Perimeters and Areas calculations are Recorded in the above chart as asked in the question.

Question 2.
What do you notice about the perimeters of Rectangles A, B, and C?
Well, Areas and Perimeters of all rectangles given are different, whereas the  Perimeters of A and B are same having 24cm and Perimeters of D, E and F are same having 20cm.

Explanation:
Perimeter of A rectangle = 24cm.
Perimeter of B rectangle = 24cm.
Perimeter of C rectangle = 44cm.
Perimeter of D rectangle = 20cm.
Perimeter of E rectangle = 20cm.
Perimeter of F rectangle = 20cm.

Question 3.
What do you notice about the perimeters of Rectangles D, E, and F?
It is noticed that rectangles  D, E and F are same having 20cm.

Explanation:
Perimeter of D rectangle = 20cm.
Perimeter of E rectangle = 20cm.
Perimeter of F rectangle = 20cm.

Question 4.
Which two rectangles are squares? Which square has the greater perimeter?
Rectangle A and D are squares. Perimeter of Square A is greater than Square B.

Explanation:
Length and Width of Rectangle A  = 6cm , 6cm.
Perimeter of  Rectangle A  = 2 ( Length + Width  )
= 2 ( 6cm + 6cm )
=2 × 12cm
= 24cm.
Length and Width of Rectangle B  = 5cm , 5cm.
Perimeter of  Rectangle B  = 2 ( Length + Width  )
= 2 ( 5cm + 5cm )
=2 × 10cm
= 20cm.

### Eureka Math Grade 3 Module 7 Lesson 27 Evaluation Rubric Answer Key

Evaluation Rubric

 4 3 2 2 Subtotal Perimeter calculations for all shapes are correct, and both evaluations of a classmate’s project have been completed. Perimeter calculations include 1 to 2 errors, and both evaluations of a classmate’s project have been completed. Perimeter calculations include 3 to 4 errors, and at least 1 evaluation of a classmate’s project has been completed. Perimeter calculations include 5 or more errors, and at least 1 evaluation of a classmate’s project has been completed. _____/4 