Area and Perimeter

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: A = length × width.

Front

What is the perimeter of a rectangle that is 5 cm long and 3 cm wide?

Back

16 cm (P = 2(5 + 3)).

Front

What is the area of a rectangle that is 4 cm long and 2 cm wide?

Back

8 cm² (A = 4 × 2).

Front

What is the formula for the area of a square?

Back

A = side × side.

Front

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

Back

16 cm (P = 4 × side).

Front

If a shape has an area of 12 square units, what could be its dimensions?

Back

Possible dimensions include 3 units by 4 units.

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

12 cm (3 + 4 + 5).