Finding the Perimeter and Area of Squares and Rectangles

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 C?

Do you mostly add or multiply when finding the perimeter?

• Multiply

• Add

Tags

CCSS.4.MD.A.2

^_perimeter?

• 30 units

• 32 units

• 24 units

• 36 units

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

What is the Area of this shape?

• 56

• 50

• 78

• I have no idea how to do this. I need to come to tutoring.

Find the area.

• 17 cm²

• 40 cm²

• 26 cm²

• 60 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of the shaded figure.

• 26 units

• 30 units

• 33 units

• 40 units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of this figure?

• 40 square units

• 41 units

• 26

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of this rectangle?

• 40 square centimeters

• 28 centimeters

• 16 square centimeters

• 100 square centimeters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3