Area and Perimeter

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is area?

Back

Area is the amount of space inside a shape.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: A = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Tags

CCSS.4.MD.A.3

Front

If one side of a rectangle is 5 cm and the other is 3 cm, what is the perimeter?

Back

P = 2(5 + 3) = 16 cm.

Tags

CCSS.4.MD.A.3

Front

If a square has a side length of 4 in, what is its area?

Back

A = 4 × 4 = 16 square inches.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

If a rectangle has a length of 10 m and a width of 2 m, what is its area?

Back

A = 10 × 2 = 20 square meters.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

P = 3 + 4 + 5 = 12 cm.

Tags

CCSS.3.MD.D.8