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 calculate the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Tags

CCSS.4.MD.A.3

Front

What units are used to measure area?

Back

Square units, such as square inches (in²), square feet (ft²), or square meters (m²).

Tags

CCSS.3.MD.C.5A

Front

What units are used to measure perimeter?

Back

Linear units, such as inches (in), feet (ft), or meters (m).

Front

If a rectangle has a length of 5 in and a width of 3 in, what is its area?

Back

Area = 5 in × 3 in = 15 in².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 in and a width of 3 in, what is its perimeter?

Back

Perimeter = 2 × (5 in + 3 in) = 16 in.

Tags

CCSS.4.MD.A.3

Front

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

Back

Area = side × side = 4 in × 4 in = 16 in².

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 in?

Back

Perimeter = 4 × side = 4 × 4 in = 16 in.

Tags

CCSS.4.MD.A.3