Finding Area by Counting Square Units

Select all the true statements about this shape (Hint: Select all means more than one)

• The area can be found by decomposing into rectangles

• The area cannot be found because there are too many measurements

• The area can be found by multiplying 60x30 and subtracting missing pieces

• The area can be found by adding all the side lengths together

Select the statement that is true about all three figures

• The area of the first figure is greater than the others

• The areas are all equal

• The area of the middle figure is the smallest of the three

• We don't have enough information to compare the areas

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

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

What is the area of figure D

What is the area of figure C?

What is the area of this figure?

• 52 square centimeters

• 36 centimeters

• 57 square centimeters

• 40 square centimeters

What is the area of this 5cm by 8cm rectangle?

• 40 square cm

• 40 cm

• 40

• 13

Solve.

• 102 m²

• 39 m²

• 51.2 m

• 81 m²

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

• 16 cm

• 16 square cm

• 8 cm

• 8 square cm