Area and Perimeter

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is perimeter?

Back

Perimeter is the distance around a shape.

Front

If a rectangle has a length of 5 ft and a width of 5 ft, what is its area?

Back

25 square ft.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Tags

CCSS.3.MD.D.8

Front

If a rectangle has an area of 40 square units, what could be its length and width?

Back

Possible pairs include 5 units and 8 units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If I want to cover a floor with tiles, I need to know the:

Back

Area of the floor.

Front

What do we measure area in?

Back

Square units (like square cm, square ft).

Tags

CCSS.3.MD.C.5A

Front

What do we measure perimeter in?

Back

Linear units (like cm, ft).

Front

If a shape has a perimeter of 20 units, what could be its dimensions?

Back

Possible dimensions include 5 units by 5 units.

Tags

CCSS.3.MD.D.8