Exploring Area and Perimeter

This rectangle has side lengths r and s.

Look at each of the expressions and determine whether it gives the perimeter of the rectangle, the area of the rectangle, or neither.

Match each expression to the categories.

• r+ r + s+s

• Neither

• Perimeter

• r + s

• Area

Tags

CCSS.3.MD.D.8

Isla and Benjamin are planning a picnic in a rectangular garden that is 8 meters long and 5 meters wide. Can you help them figure out the area of the garden so they can set up their picnic blanket?

• 13 square meters

• 40 square meters

• 26 square meters

• 30 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Anika and Mason are planning to build a rectangular garden. They want to know the perimeter to buy the right amount of fencing. The perimeter is _____

Use the formula: P = 2l + 2w

Tags

CCSS.4.MD.A.3

What is the area?

c

14

6

40

28

50

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

James and Benjamin are planning a race around their rectangular playground, which is 12 meters long and 9 meters wide. The total distance they will run if they complete one lap around the playground is (a)  

• 42 meters
• 108 meters
• 21 meters
• 30 meters

Tags

CCSS.4.MD.A.2

Elijah and Grace are planning a fun obstacle course in their backyard. They want to outline the course with a rectangle using a length of 6 meters and a width of 3 meters. Can you help them figure out the total perimeter of their course?

• 18 meters

• 9 meters

• 12 meters

• 15 meters

Tags

CCSS.4.MD.A.3

Charlotte and Noah are planning a picnic in a rectangular field. The field has a width of 7 meters and an area of 56 square meters. The length of the field is (a)   so they can set up their picnic spot.

• 8 meters
• 9 meters
• 10 meters
• 11 meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Help James solve this puzzle: What is the perimeter of the rectangle below? (a)  

• 122 in

• 2,697 in

• 244 in

• 344 in

Tags

CCSS.4.MD.A.3

A rectangular room is 9 feet long and 6 feet wide. How many square feet of carpet is needed to cover the entire room? Find the area.

• 54 sq ft

• 15 sq ft

• 30 sq ft

• 45 sq ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

During a fun math challenge, Luna and Oliver are trying to find the perimeter of a magical rectangle. The rectangle has a length of 14 meters and a width of 3 meters. The perimeter is _____

Tags

CCSS.4.MD.A.3