Area and Perimeter

Front

What is perimeter?

Back

Perimeter is the total distance around a shape. It is calculated by adding the lengths of all the sides.

Front

How do you calculate the perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, 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. It is measured in square units.

Tags

CCSS.3.MD.C.6

Front

How do you calculate the area of a rectangle?

Back

To calculate the area of a rectangle, use the formula: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a square with each side measuring 5 feet?

Back

The perimeter is 20 feet (P = 4 × 5 feet).

Tags

CCSS.4.MD.A.3

Front

If a triangle has sides measuring 3 inches, 4 inches, and 5 inches, what is its perimeter?

Back

The perimeter is 12 inches (3 + 4 + 5 = 12).

Tags

CCSS.3.MD.D.8

Front

What is the area of a square with a side length of 6 cm?

Back

The area is 36 square centimeters (Area = 6 cm × 6 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you find the unknown side length if the perimeter is known?

Back

Subtract the sum of the known side lengths from the total perimeter.

Tags

CCSS.3.MD.D.8

Front

What is the area of a rectangle that is 10 feet long and 4 feet wide?

Back

The area is 40 square feet (Area = 10 feet × 4 feet).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a shape has an area of 24 square units and a length of 6 units, what is the width?

Back

The width is 4 units (Area = length × width, so 24 = 6 × width).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3