Area and volume unit unit test math 6B

1. What is the formula for finding the area of a rectangle?

a) length x width
b) length + width
c) 2 x (length + width)
d) length / width

2. What is the formula for finding the volume of a rectangular prism?
a) length x width x height
b) length + width + height
c) 2 x (length + width + height)
d) length / width / height

3. A rectangle has a length of 8 cm and a width of 5 cm. What is the area of the rectangle?
a) 13 cm
b) 40 cm
c) 20 cm
d) 56 cm

4. A rectangular prism has a length of 10 cm, a width of 4 cm, and a height of 6 cm. What is the volume of the prism?
a) 180 cm
b) 240 cm
c) 60 cm
d) 100 cm

5. True or False: The units for area are always squared units (e.g. square centimeters, square inches).
a) True
b) False

6. True or False: The units for volume are always cubed units (e.g. cubic centimeters, cubic inches).
a) True
b) False

7. What is the formula for finding the area of a circle?
a) πr^2
b) 2πr
c) πd
d) πr

8. A circle has a radius of 5 cm. What is the area of the circle? (Use π = 3.14)
a) 15.7 cm^2
b) 25 cm^2
c) 78.5 cm^2
d) 50 cm^2

9. What is the formula for finding the volume of a cylinder?
a) πr^2h
b) 2πrh
c) πr^2
d) 2πr

10. A cylinder has a radius of 3 cm and a height of 8 cm. What is the volume of the cylinder? (Use π = 3.14)
a) 226.08 cm^3
b) 150.72 cm^3
c) 72.72 cm^3
d) 9.42 cm^3

Answers:
1. a) length x width
2. a) length x width x height
3. b) 40 cm
4. b) 240 cm
5. a) True
6. a) True
7. a) πr^2
8. c) 78.5 cm^2
9. a) πr^2h
10. a) 226.08 cm^3