Area and Perimeter

A rectangle has a length of 5 cm and width of 9 cm,

what is the perimeter and area?

• Perimeter = 28 cm

  Area = 45 cm²

• Perimeter = 14 cm

  Area = 28 cm²

• Perimeter = 28 cm

  Area = 100 cm²

• Perimeter = 14 cm

  Area = 45 cm²

Tags

CCSS.4.MD.A.3

• Length = 12 cm Width = 12 cm

• Length = 14 cm width = 10 cm

• Length = 16 cm Width = 8 cm

• Length = 6 cm Width = 4 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The perimeter of a playground is 100m.

Which dimensions would be correct?

• Length = 80m

  Width = 20m

• Length = 40m

  Width = 10m

• Length = 50m

  Width = 50m

• Length = 100m

  Width = 60m

Tags

CCSS.3.MD.D.8

A rectangular playground has an area of 500m^2.

What are the dimensions?

• Length = 40m

  Width = 10m

• Length = 30m

  Width = 9m

• Length = 30m

  Width = 20m

• Length = 25m

  Width = 20m

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Tom drew two rectangles, A and B.

The dimensions of A are 3 cm by 4 cm.

The dimensions of B are 2 cm by 5 cm.

Which statement is not true about the two rectangles?

• The area of A is larger than the area of B.

• A and B have the same perimeter, but they do not have the same area.

• The perimeter of B is the same as the perimeter of A.

• A and B have the same area, but they do not have the same perimeter.

Tags

CCSS.3.MD.D.8

The perimeter of a rectangular garden is 120m.

What are the possible measurements (length and the width) of this garden?

• 60 m and 60 m

• 12 m and 10 m

• 40 m and 20 m

• 100 m and 20 m

Tags

CCSS.3.MD.D.8

Mr. MacDonald wants to construct an enclosed rectangular kennel for his dog. 

The perimeter of the kennel is 20m. 

What is the largest possible area of the kennel?

****Draw all of the possibilities****

• 20m²

• 25m²

• 100m²

• 400m²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The area of a rectangular carpet is 18 m² .

What is the largest perimeter of the rectangular carpet?

**** Draw all possibilities ****

• 18m

• 22m

• 72m

• 38m

Tags

CCSS.3.MD.D.8