Count Unit Square

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. 

What is the area of this rectangle?

• 40 square centimeters

• 28 centimeters

• 16 square centimeters

• 100 square centimeters

What is the area of the shaded figure? 

• 4 square units 

• 6 square units 

• 10 square units 

• 2 square units 

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 outside.

• She can not cover her bulletin board.

What is the total area of the pink model?

• 3

• 4

• 7

• 12

What is the total area of the model?

• 6

• 10

• 12

• 14

What is the area?

• 3 sq units

• 6 sq units

• 12 sq units

• 9 sq units

How would you find the area of the pink model?

• Add 4 and 3

• Multiply 4 and 3

• Add 4 and 4

• Multiply 4 and 4

What would be the new area of the pink model if someone added a 4th row?

• 12 cm square units

• 14 cm square units

• 16 cm square units

• 18 cm square units

Find the area

• 16 ft²

• 64 ft²

• 32 ft²

• 8 ft²