Area of Irregular Shapes

Front

What is the area of a shape?

Back

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

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, find the area of each, and then add them together.

Front

What is a square unit?

Back

A square unit is a unit of measure for area, representing a square that is 1 unit long on each side.

Tags

CCSS.3.MD.C.5A

Front

If a shape has an area of 24 square units, what does that mean?

Back

It means that the space inside the shape can fit 24 squares that are each 1 unit by 1 unit.

Tags

CCSS.3.MD.C.5A

Front

What is the area of a rectangle with a length of 5 units and a width of 4 units?

Back

20 square units (Area = length × width = 5 × 4).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a triangle with a base of 6 units and a height of 3 units?

Back

9 square units (Area = 1/2 × base × height = 1/2 × 6 × 3).

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

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Tags

CCSS.6.G.A.1

Front

What is an irregular shape?

Back

An irregular shape is a shape that does not have equal sides or angles.

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Front

How can you estimate the area of an irregular shape?

Back

You can estimate the area by counting the number of square units that fit inside the shape.

Tags

CCSS.3.MD.C.6