Area and Perimeter

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape.

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

What is area?

Back

Area is the amount of space inside a shape.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Front

If a square has a side length of 3 inches, what is its perimeter?

Back

P = 4 × 3 = 12 inches.

Front

If a rectangle has a length of 5 cm and a width of 2 cm, what is its area?

Back

Area = 5 cm × 2 cm = 10 cm².

Front

What is the missing side length if the perimeter is 34 inches and the other sides are 10 inches, 8 inches, and 7 inches?

Back

The missing side length is 9 inches.

Front

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

Back

Count the number of squares inside the shape.

Front

What is the perimeter of a shape with sides measuring 5 inches, 5 inches, 5 inches, and 5 inches?

Back

P = 5 + 5 + 5 + 5 = 20 inches.