WorksheetsFlex Learning Exam - 8th Grade
Total questions: 32
Worksheet time: 3hrs 51mins
Name
Class
Date
1.
What is surface area?
a)
Inside of the object
b)
the sum of all theareas of all the shapes that cover the surface of the object.
c)
Something Mr. Strickland made up?
d)
Surface area is what you get when you boil unicorn tears.
2.
Jesse needs to wrap the present shown below. How much wrapping paper would he need?
How much wrapping paper is needed?
How much wrapping paper is needed?
a)
300 in2
b)
558 in2
c)
327 in2
d)
354 in2
3.
what is the formula for finding area of a circle
a)
C = π r2
b)
A = π r2
c)
A = π r2 / 2
d)
C = 2 π r
4.
Find the area of the circle. Leave in terms of π.
a)
18π in2
b)
9π in2
c)
81π in2
5.
What two formulas can you use to find the circumference?
a)
C = π·d
b)
C = π·r2
c)
C = 2·π·r
d)
C = d2
6.
Find the circumference of the circle.
a)
31.4 cm
b)
78.5 cm
c)
314 cm
d)
15.7 cm
7.
Find the total surface area of the cylinder.
a)
25.13 square cm
b)
75.40 square cm
c)
50.27 square cm
d)
100.53 square cm
8.
What is the surface area formula for a cylinder?
a)
SA = πrl + πr2
b)
SA = 2πrh + 2πr2
c)
SA = 4πr2
d)
SA = πr2h
9.
What is the formula used to find the volume of a rectangular prism?
a)
V = Lw
b)
V = Lwh
c)
V = 1/2bh
d)
V = 2∏r
10.
a)
2 in3
b)
1 in3
c)
3 in3
d)
4 in3
11.
What is the Volume of the triangular prism shown?
a)
1944 cubic cm
b)
972 cubic cm
c)
648 cubic cm
d)
486 cubic cm
12.
What is the formula for the VOLUME of a PYRAMID?
a)
1/2pl
b)
4/3(pi)r3
c)
1/3Bh
d)
1/3(pi)r2h
13.
Find the volume of the figure.
a)
126 cm3
b)
907.5 cm3
c)
605 cm3
d)
55 cm3
14.
Find the Volume if the height is 10 cm and radius 3 cm?
a)
250
b)
200
c)
283
d)
180
15.
What is this formula used to find?
V=πr2h
V=πr2h
a)
The volume of a cylinder
b)
The volume of a cone
c)
The volume of a sphere
d)
The area of a circle
16.
What is the formula for Volume of a Cone?
a)
V=π r3h
b)
V=π r2h
c)
V=(1/3)π r2h
d)
V=(4/3)π r3
17.
Find the volume of the figure.
a)
150.72 cm³
b)
75.36 cm³
c)
452.16 cm³
d)
151 cm³
18.
The formula for the Volume of ...
a)
Spheres
b)
Cones
c)
Cylinders
19.
Barney wanted to know how much ice cream he got in one scoop. The radius of a scoop is 2 inches. Find the volume. Use 3.14 for pi.
a)
345.3 in³
b)
33.5 in³
c)
25.1 in³
d)
50.2 in³
20.
Evaluate the expression. Let g = 3 h = 9
4h + 2g + 4
4h + 2g + 4
a)
42
b)
46
c)
34
d)
58
21.
Rewrite the expression by combining like terms.
3xy + 8x2 + 4y + 2y – 5x2
3xy + 8x2 + 4y + 2y – 5x2
a)
3x2 + 3xy + 6y
b)
6y2 + 2xy + 2x
c)
7x2 + 35x
d)
3x2 + 6y + y
22.
-9(2g - 3)
a)
18g + 27
b)
-18g + 27
c)
-18g - 27
d)
18g - 27
23.
Level 3
Identify the steps to solve for b
a)
Add 6 to both sides and divide both sides by 5
b)
Add 6 to both sides and multiply both sides by 5
c)
Subtract 6 from both sides then multiply both sides by 5
d)
Subtract 6 from both sides then divide both sides by 5
24.
3 + 12(3p + 2) = 9(p - 3)
a)
-20
b)
-13
c)
-2
d)
-18
25.
The space club is having some posters printed. The printer charges $250 plus $2 per poster. How can I figure out how many posters I could print for $1,000?
a)
250x + 2 = 1000
b)
1000 + 2x = 250
c)
250 - 2x = 1000
d)
2x + 250 = 1000
26.
Would you use a closed or open circle to graph x < 3?
a)
Closed
b)
Open
27.
Would your graph go to the left or right when you graph x ≥ 4?
a)
Left
b)
Right
28.
True or false: you flip the sign every time you multiply or divide when you're solving an inequality.
a)
True
b)
False
29.
The ticket to the movie costs $10. How much money should Kristin take with her?
Let x represent the amount of money Kristin takes with her.
Let x represent the amount of money Kristin takes with her.
a)
x > 10
b)
x ≥ 10
c)
x < 10
d)
x ≤ 10
30.
Find the slope of the line.
a)
-2
b)
2
c)
-1
d)
1
31.
If m=3 and b=6, what is the correct slope intercept equation?
a)
y=3-6
b)
y=3x-6
c)
y=3x+6
d)
y=6x+3
32.
Write the equation for the line.
a)
y= -1x+3
b)
y= 4x+3
c)
y=1/4x+3
d)
y= -4x+3
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