Finding Area by Counting Square Units

Select all strategies that could be used to find the area of this shape. (Hint: Select all means more than one)

• The area can be found by counting the number of squares that touch the edge of the shape

• The area can be found by adding 5x2, 4x2, and 2x2

• The area of the shape is 22 square units

• The area can be found by counting the number of grid squares inside the shape

What is the area of figure D

Diego said he can find the area of figure B by first multiplying 6x6. What should Diego's next step be?

• adding the area of 1 and 2

• subtracting the area of 1 and 2

• Nothing. His area is 36 square units

• decomposing and rearranging

Which is a way to find area?

• Counting the square units inside a shape

• Counting the square units around the outside of a shape

What is the approximate area of this shape?

• 16 square centimetres

• 17 square centimetres

• 18 square centimetres

What is the total area of the model?

• 6

• 10

• 12

• 14

What is the area of this irregular shape?

• 10

• 16

• 8

• 12

What is the area of the rectangle?

• 15 square centimetres

• 18 square centimetres

• 21 square centimetres

• 22 square centimetres

What is the area of this irregular shape?

• 13 square centimetres

• 12 square centimetres

• 10 square centimetres

Which formula would you use to find the area of this shape?

• A = L x W

• A = S x S