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 find the area of a rectangle?

Back

Multiply the length by the width (Area = length x width).

Front

If a rectangle has a length of 4 inches and a width of 5 inches, what is its area?

Back

20 square inches (4 x 5 = 20).

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2 x (length + width).

Front

If a rectangle has a length of 6 cm and a width of 3 cm, what is its perimeter?

Back

18 cm (2 x (6 + 3) = 18).

Front

What is the area of a square with a side length of 7 inches?

Back

49 square inches (7 x 7 = 49).

Front

If each square in a grid represents 1 square inch, how do you find the area of a shape?

Back

Count the number of squares inside the shape.

Front

What is the area of a rectangle that is 3 feet long and 6 feet wide?

Back

18 square feet (3 x 6 = 18).

Front

If the perimeter of a rectangle is 24 inches and the length is 10 inches, what is the width?

Back

2 inches (Perimeter = 2 x (length + width) => 24 = 2 x (10 + width)).