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

Multiply the length by the width (Area = Length × Width).

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides (Perimeter = 2 × (Length + Width)).

Front

What is the area of a rectangle with length 3 and width 3?

Back

Area = 3 × 3 = 9 square units.

Front

What is the perimeter of a rectangle with length 5 and width 4?

Back

Perimeter = 2 × (5 + 4) = 18 units.

Front

If a rectangle has an area of 12 square units and a width of 3 units, what is the length?

Back

Length = Area ÷ Width = 12 ÷ 3 = 4 units.

Front

If a rectangle has a length of 6 units and a perimeter of 24 units, what is the width?

Back

Width = (Perimeter ÷ 2) - Length = (24 ÷ 2) - 6 = 6 units.

Front

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

Back

Area = Side × Side = 4 × 4 = 16 square units.

Front

What is the perimeter of a square with a side length of 5 units?

Back

Perimeter = 4 × Side = 4 × 5 = 20 units.