Perimeter and Area

Front

What is perimeter?

Back

The distance around 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

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 area of a square with a side length of 5 cm?

Back

25 cm² (5 cm × 5 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Back

40 cm² (10 cm × 4 cm).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its perimeter?

Back

22 m (2 × (8 m + 3 m)).

Tags

CCSS.4.MD.A.3

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × base × height.

Tags

CCSS.6.G.A.1

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 cm² (1/2 × 6 cm × 4 cm).

Tags

CCSS.6.G.A.1

Front

What is the perimeter of a square with a side length of 4 m?

Back

16 m (4 m × 4).

Tags

CCSS.4.MD.A.3