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.

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 perimeter of a rectangle with length 10 m and width 5 m?

Back

30 m (P = 2(10 + 5)).

Tags

CCSS.4.MD.A.3

Front

What is the area of a rectangle with length 10 m and width 5 m?

Back

50 m² (A = 10 × 5).

Tags

CCSS.3.MD.C.7B

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

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

Back

16 cm² (A = 4 × 4).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a perimeter of 24 m and a length of 8 m, what is the width?

Back

4 m (P = 2(length + width) => 24 = 2(8 + width)).

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

12 cm (P = 3 + 4 + 5).

Tags

CCSS.3.MD.D.8