Finding Area of Squares and Rectangles

What is the perimeter of this rectangle?

• 21 units

• 12 units

• 3 units

• None of the above.

What is the area of figure C?

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

Tags

CCSS.3.MD.C.7D

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

Tags

CCSS.3.MD.C.5A

• 336 square feet

• 480 square feet

• 80 square feet

• 104 square feet

Tags

CCSS.3.MD.C.7D

Find the area in inches (in).

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

What is the area?

• 3 sq units

• 6 sq units

• 12 sq units

• 9 sq units

Tags

CCSS.3.MD.C.6

Jada said that she found the area of figure A by cutting it into 3 rectangles, finding their separate areas, and then adding those areas. Which strategy best describes what Jada did?

• decomposing and rearranging

• decomposing

• enclosing and subtracting

• counting grid squares

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

Tags

CCSS.3.MD.C.7D

What is the definition of area?

• The inside of the figure

• The distance around a figure

• The number of square units it takes to cover a figure

• Length times Width