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.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the area of a square with a side length of 5 cm?

Back

Area = 5 cm × 5 cm = 25 square cm.

Front

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

Back

Perimeter = 4 × 4 inches = 16 inches.

Front

If a rectangle has a length of 10 cm and a width of 3 cm, what is its area?

Back

Area = 10 cm × 3 cm = 30 square cm.

Front

If a rectangle has an area of 24 square feet and a width of 4 feet, what is its length?

Back

Length = Area ÷ Width = 24 square feet ÷ 4 feet = 6 feet.

Front

What is the area of a rectangle that is 8 meters long and 2 meters wide?

Back

Area = 8 m × 2 m = 16 square meters.

Front

How many feet of fencing does Farmer Bob need for a rectangular area that is 40 feet long and 20 feet wide?

Back

Perimeter = 2 × (40 ft + 20 ft) = 120 feet.