Area and Perimeter

Front

What is perimeter?

Back

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).

Tags

CCSS.4.MD.A.3

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.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 4 and a width of 2, what is its area?

Back

8 (Area = 4 × 2).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

16 (Perimeter = 2(5 + 3)).

Tags

CCSS.4.MD.A.3

Front

What is the formula for finding the perimeter of a square?

Back

P = 4 × side length.

Tags

CCSS.4.MD.A.3

Front

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

Back

12 (Perimeter = 4 × 3).

Tags

CCSS.4.MD.A.3

Front

What is the formula for finding the area of a square?

Back

Area = side length × side length.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a square has a side length of 4, what is its area?

Back

16 (Area = 4 × 4).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3