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

What is the area of a rectangle with a length of 5 cm and a width of 4 cm?

Back

20 cm² (Area = 5 cm × 4 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a rectangle with a length of 5 cm and a width of 4 cm?

Back

18 cm (Perimeter = 2 × 5 cm + 2 × 4 cm).

Tags

CCSS.4.MD.A.3

Front

What units do we use to measure area?

Back

Square units, such as cm², m², or yd².

Tags

CCSS.3.MD.C.5A

Front

What units do we use to measure perimeter?

Back

Linear units, such as cm, m, or yd.

Front

If a square has a side length of 3 cm, what is its area?

Back

9 cm² (Area = Side × Side = 3 cm × 3 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a square has a side length of 3 cm, what is its perimeter?

Back

12 cm (Perimeter = 4 × Side = 4 × 3 cm).

Tags

CCSS.4.MD.A.3