Perimeter and Area Review

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape. For rectangles, it is calculated as 2 times the length plus 2 times the width.

Tags

CCSS.3.MD.D.8

Front

How do you calculate the Perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is Area?

Back

Area is the amount of space inside a shape. It is measured in square units.

Front

How do you calculate the Area of a rectangle?

Back

To calculate the area of a rectangle, use the formula: A = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 inches and a width of 3 inches, what is its area?

Back

15 square inches.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a perimeter of 30 inches and a length of 10 inches, what is the width?

Back

5 inches.

Tags

CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Tags

CCSS.4.MD.A.3

Front

If one side of a square is 6 cm, what is its perimeter?

Back

24 cm.

Tags

CCSS.4.MD.A.3

Front

What is the difference between Perimeter and Area?

Back

Perimeter measures the distance around a shape, while Area measures the space inside a shape.

Front

If a rectangle has an area of 24 square units and a width of 4 units, what is the length?

Back

6 units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3