Calculating the Area of a Rectangle

Why is it important to know how to find the area of a rectangle?

• To measure the height of a building

• To determine the amount of paint needed for a wall

• To buy the right amount of flooring for a room

• To calculate the volume of a box

What is the first shape we typically work with in school to learn about area?

• Circle

• Triangle

• Square

• Rectangle

How is the area of a rectangle measured?

• In circular units

• In cubic units

• In square units

• In linear units

Tags

CCSS.3.MD.C.5A

If a rectangle has 3 rows of 5 square units each, what is its area?

• 25 square units

• 20 square units

• 15 square units

• 10 square units

Tags

CCSS.3.MD.C.6

What is the quickest way to find the area of a rectangle?

• Count the number of square units

• Divide the length by the width

• Multiply the length by the width

• Add the lengths of all sides

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What are the two adjacent sides of a rectangle called?

• Height and base

• Length and width

• Diagonal and side

• Top and bottom

Tags

CCSS.HSG.CO.A.1

If a rectangle has a length of 10 meters and a width of 7 meters, what is its area?

• 77 square meters

• 70 square meters

• 700 square meters

• 17 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Why do we use the unit 'squared' when measuring area?

• Because it is a standard convention

• Because it sounds better

• Because area is measured in two dimensions

• Because area is measured in three dimensions

Tags

CCSS.3.MD.C.5A

What should you write if no measurement unit is given for the area?

• Square meters

• Square inches

• Square centimeters

• Units squared

Tags

CCSS.3.MD.C.6

What is the formula for finding the area of a rectangle?

• Length * Width

• Length - Width

• Length + Width

• Length / Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3