area and perimeter

Front

What is the definition of perimeter?

Back

The 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(l + w), where l is length and w is width.

Tags

CCSS.4.MD.A.3

Front

What is the definition of area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Use the formula A = l × w, where l is length and w is width.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

What is the formula for the area of a square?

Back

A = s², where s is the length of one side.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

50 sq cm (A = 10 cm × 5 cm).

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

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

Back

16 cm (P = 4 × 4 cm).

Tags

CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a square?

Back

P = 4s, where s is the length of one side.

Tags

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 (P = 2(8 m + 3 m)).

Tags

CCSS.4.MD.A.3

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.