Perimeter and area class 7

What is the perimeter?

• 3 ft. 
• 6 ft. 
• 12 ft. 
• 18 ft. 

Tags

CCSS.3.MD.D.8

Ethan has a rectangular piece of paper that is 42 cm long and 30 cm wide. He cut the paper in half. What is the area of each half of the paper in square centimeters?

• 630 square centimeters
• 72 square centimeters
• 315 square centimeters
• Not here

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the missing length if the perimeter is 30cm?

• 12cm
• 13cm
• 30cm
• 5cm

Tags

CCSS.3.MD.D.8

Mr. Johnson took his class outside to measure the playground. The playground is shaped like a rectangle as shown below. Which formula could the class use to find the area of the playground?

• A = l × w
• A = 4s
• A = 2l + 2w
• A =  l + w

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Marsha plans to make a square picture with an area of 36 square inches. Which could be the expression she used for 36 square inches?

• 8 × 6
• 7 × 6
• 6 × 6
• 5 × 6

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet
• 120 feet
• 60 feet

Tags

CCSS.4.MD.A.2

Find the AREA of this figure.

• 160 square feet
• 160 feet
• 160
• 1600 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet
• 40 ft
• 96 square feet
• 40 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A = ___ x ____

• w x l
• l + l + w + w
• l x w
• l + w + l + w

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

P =

• l x w
• w x l
• w + l
• l + w + l + w

Tags

CCSS.4.MD.A.3