Unit 5 Review

Plot the point (-4,-5)

Plot the point (-4, 3.5)

Plot the point (-1, -5)

Write a number sentence to for finding the length of line AB and Line AC

a

b

Find the area of triangle ABC by dragging the correct answer to the box

c

25.5 square units

12.75 square units

5.75 square units

Find the area of the parallelogram:

____ sq. cm.

Find the area of the sandbox play area in the park shown.

____ sq. ft.

Explain how you would find the area of the sandbox play area in the picture.

Answer explanation

First I would split the shape into a rectangle and a trapezoid. I would use the area formulas for those shapes. Then add my two answers together.

rectangle: 10 x 8 = 80

Trapezoid: 1/2 x (4+8) x 4 = 24

sandbox: 80 + 24 = 104 sq. ft.

Which units might you use when reporting surface area if the lengths are in inches?

(a)   What units might you use when reporting surface area if the lengths are in centimeters?​ ​ (b)   What units might you use when reporting surface area if the lengths are in feet?​ (c)  

• in.
• cm
• ft.

Which units might you use when reporting volume if the lengths are in inches?

(a)   What units might you use when reporting volume if the lengths are in centimeters?​ ​ (b)   What units might you use when reporting volume if the lengths are in feet?​ (c)  

• in.
• cm.
• ft.