Perimeter and Area

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(l + w).

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

Use the formula: A = l x w, where l is length and w is width.

Front

What is the unit of measurement for area?

Back

Square units, such as square centimeters (cm²) or square feet (ft²).

Front

What is the unit of measurement for perimeter?

Back

Linear units, such as centimeters (cm) or feet (ft).

Front

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

Back

A = 10 cm x 5 cm = 50 cm².

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?

Back

P = 2(10 cm + 5 cm) = 30 cm.

Front

What is the perimeter of a square with each side measuring 4 cm?

Back

P = 4 x 4 cm = 16 cm.

Front

What is the area of a square with each side measuring 4 cm?

Back

A = 4 cm x 4 cm = 16 cm².