Area and Perimeter

Front

What is the definition of 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 the definition of 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: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Tags

CCSS.6.G.A.1

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its area?

Back

20 square units.

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 3 cm?

Back

22 cm.

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a square with each side measuring 6 inches?

Back

24 inches.

Tags

CCSS.4.MD.A.3

Front

If a shape has a perimeter of 30 cm and one side is 10 cm, what is the total length of the other three sides?

Back

20 cm.

Tags

CCSS.3.MD.D.8

Front

What is the area of a square with a side length of 4 units?

Back

16 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3