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, calculated by adding the lengths of all its sides.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width (Area = Length × Width).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you find the perimeter of a rectangle?

Back

Add the lengths of all four sides (Perimeter = 2 × Length + 2 × Width).

Tags

CCSS.4.MD.A.3

Front

If a rectangle is 3 units long and 3 units wide, what is its area?

Back

9 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle is 4 units long and 2 units wide, what is its area?

Back

8 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 5 units and a width of 6 units?

Back

30 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has an area of 20 square units and a length of 4 units, what is its width?

Back

5 units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a square with a side length of 4 units?

Back

16 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a square with a side length of 4 units?

Back

16 units.

Tags

CCSS.4.MD.A.3