Area and Perimeter 4.5 D

Front

What is the definition of area?

Back

Area is the amount of space inside a two-dimensional shape, measured in square units.

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a two-dimensional shape.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Tags

CCSS.4.MD.A.3

Front

If a rectangular garden is 4 meters long and 3 meters wide, what is its area?

Back

Area = 4 m × 3 m = 12 square meters.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangular garden is 4 meters long and 3 meters wide, what is its perimeter?

Back

Perimeter = 2 × (4 m + 3 m) = 14 meters.

Tags

CCSS.4.MD.A.3

Front

Why do you need to find the area when covering a surface?

Back

You need to find the area to know how much material is needed to cover the entire surface.

Front

Why do you need to find the perimeter when measuring a border?

Back

You need to find the perimeter to know the total length of the border.

Front

What unit is used to measure area?

Back

Area is measured in square units, such as square meters (m²) or square feet (ft²).

Tags

CCSS.3.MD.C.5A

Front

What unit is used to measure perimeter?

Back

Perimeter is measured in linear units, such as meters (m) or feet (ft).