Area of Irregular shape

Front

What is the area of an irregular shape?

Back

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

Tags

CCSS.3.MD.C.5A

Front

How do you find the area of an irregular shape?

Back

To find the area of an irregular shape, you can divide it into smaller regular shapes, calculate their areas, and then add them together.

Front

What is perimeter?

Back

Perimeter is the total distance around the outside edges of a shape.

Front

How do you find the perimeter of an irregular shape?

Back

To find the perimeter of an irregular shape, add the lengths of all its sides together.

Tags

CCSS.3.MD.D.8

Front

What units are used to measure area?

Back

Area is measured in square units, such as square meters (sq m) or square feet (sq ft).

Tags

CCSS.3.MD.C.6

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units, such as meters (m) or centimeters (cm).

Front

Does perimeter measure the inside or the outside of a shape?

Back

Perimeter measures the outside edges of a shape.

Front

If a rectangle has a length of 5 m and a width of 3 m, what is its area?

Back

Area = length × width = 5 m × 3 m = 15 sq m.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a triangle has a base of 4 cm and a height of 3 cm, what is its area?

Back

Area = 1/2 × base × height = 1/2 × 4 cm × 3 cm = 6 sq cm.

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3