Area of Rectangles Using Arrays

Jaheim says you can create three rectangles with different side lengths using 12 unit squares. Draw three different rectangles that have an area of 12.

Tags

CCSS.3.MD.D.8

Jax started to draw a grid inside the rectangle to find its area.

What sentence could you use to find the area of this rectangle?

• 5 units x 6 units = 30 square units

• 5 units x 5 units = 25 square units

• 5 units + 5 units = 10 units

• 6 units + 6 units + 5 units + 5 units + 22 units

Tags

CCSS.3.MD.C.5A

What is the area of the figure shown?

______ square units

Tags

CCSS.3.MD.C.6

JBC Elementary School uses the design below for their swimming pool. Shapes A, B, and C are rectangles.

What multiplication sentence would be used to find the area of rectangle A?

3 meters x ______ meters = 21 square meters

Tags

CCSS.3.MD.C.7D

JBC Elementary School uses the design below for their swimming pool. Shapes A, B, and C are rectangles.

What multiplication sentence would be used to find the area of rectangle B?

3 meters x ______ meters = 30 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

JBC Elementary School uses the design below for their swimming pool. Shapes A, B, and C are rectangles. What multiplication sentence would be used to find the area of rectangle C? 10 meters x ______ meters = 60 square meters

Tags

CCSS.3.MD.C.7D

What is the total area of the pink model?

• 3 units squared

• 4 units squared

• 7 units squared

• 12 units squared

Tags

CCSS.3.MD.C.6

What is the area of the rectangle?

• 15 square centimetres

• 18 square centimetres

• 21 square centimetres

• 22 square centimetres

Tags

CCSS.3.MD.C.6

What is the area of the shaded figure? 

• 4 square units 

• 6 square units 

• 10 square units 

• 2 square units 

Tags

CCSS.3.MD.C.6

Calculate the area of the shape below.

• 16 cm²

• 24 cm²

• 18 cm²

• 30 cm²