Area and Perimeter Flashcard

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, measured in linear units.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Front

How do you find the perimeter of a rectangle?

Back

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

Front

If a rectangle has a length of 5 ft and a width of 3 ft, what is its area?

Back

15 square feet.

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its perimeter?

Back

28 cm.

Front

What is the formula for area of a rectangle?

Back

Area = length × width.

Front

What is the formula for perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

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

Back

4 feet.

Front

Would you multiply, add, or divide to find the area?

Back

Multiply.