Perimeter and Area Review

Front

What is perimeter?

Back

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).

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: Area = length × width.

Front

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

Back

Area = 4 ft × 4 ft = 16 square feet.

Front

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

Back

Perimeter = 4 ft × 4 = 16 ft.

Front

If the perimeter of a rectangle is 20 ft and the length is 6 ft, what is the width?

Back

Width = (Perimeter/2) - Length = (20/2) - 6 = 4 ft.

Front

What is the formula for the area of a square?

Back

Area = side × side.

Front

If a rectangle has a length of 10 ft and a width of 5 ft, what is its area?

Back

Area = 10 ft × 5 ft = 50 square feet.

Front

What is the perimeter of a rectangle with a length of 8 ft and a width of 3 ft?

Back

Perimeter = 2(8 ft + 3 ft) = 22 ft.