Perimeter and Area Review

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).

Tags

CCSS.4.MD.A.3

Front

What is area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

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

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a rectangle with a length of 8 cm and a width of 4 cm?

Back

32 cm².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a rectangle with a length of 8 cm and a width of 4 cm?

Back

24 cm.

Tags

CCSS.4.MD.A.3

Front

Can two different shapes have the same perimeter?

Back

Yes, different shapes can have the same perimeter but different areas.

Tags

CCSS.3.MD.D.8

Front

What is a square?

Back

A square is a shape with four equal sides and four right angles.

Tags

CCSS.5.G.B.4

Front

How do you calculate the area of a square?

Back

Multiply one side by itself: A = side × side.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

20 cm.

Tags

CCSS.4.MD.A.3