Understanding Area: Lesson 14 Review

What is area?

• the length, area, mass or liquid volume.

• the amount a flat shape covers

• the area of a square with side lengths of 1 unit.

What are the different ways to measure the area of a rug in the shape of a rectangle.

• Count the number of equal groups

• Count the square units.

• Measure the length and width

• Round to the nearest tens

Tags

CCSS.3.MD.C.5A

What is a square unit?

• a line with two sides

• the area of a square with a side length of 1 unit

• an inch or one centimeter

Tags

CCSS.3.MD.C.5A

How do you think you could measure the area of the rug?

• Count the number of tiles the rug covers.

• Divide the rug into equal groups.

• Subtract the number of tiles the that are around the rug.

Tags

CCSS.3.MD.C.5A

This is the correct way to measure the area using square units.

• True

• False

Tags

CCSS.3.MD.C.6

What is the answer in addition called?

When you see this operation, what are you doing to do?

• add

• subtract

• divide

• multiply

Look at Rectangle B. What is the area?

• 1 square unit

• 35 square units

• 24 square units

Tags

CCSS.3.MD.C.6

What is the area of this non-rectangular shape?

Tags

CCSS.3.MD.C.6

What is the area of this shape?

Tags

CCSS.3.MD.C.6