Area and Perimeter Unit Squares

Ms. Tomasina wants to cover her bulletin board with plastic. The bulletin board is pictured above on a grid.

Which is the best way to find the area of the bulletin board? 

• Count the number of units around the bulletin board. 

• Count the total number of squares on the bulletin board. 

• Count the units along the length of the bulletin board and double that number. 

• Count the number of squares along the width of the bulletin board and multiply that number times itself. 

Tags

CCSS.3.MD.C.5A

What is the area of a square with a length of 4 cm?

• 16 cm

• 16 square cm

• 8 cm

• 8 square cm 

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

What is the perimeter of this rectangle?

• 21 units

• 12 units

• 3 units

• None of the above.

What is the area of the rectangle?

• 48 sq feet

• 48 sq inches

• 28sq feet

• 28 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the perimeter?

• 4 inches

• 8 inches

• 12 inches

• 16 inches

Tags

CCSS.4.MD.A.3

The distance around an object is called the 

• area

• perimeter

What is the formula for finding area of a rectangle?

• l•w

• s•df

• b•c

• and C

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A unit for measuring area.

• area

• square unit

• unit square

Tags

CCSS.3.MD.C.6

Do you multiply or add when you find the perimeter?

• Multiply

• Add

Tags

CCSS.4.MD.A.2