7th Grade Review Worksheet 8-5, 8-6, 8-8 Answer Section

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7th Grade Review Worksheet 8-5, 8-6, 8-8
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Which figure is not a prism?
a.
b.
c.
d.
Short Answer
.
2. Use = 3.14 to estimate the circumference of
the circle to the nearest hundredth.
C= d=2 r
C=
d=2 r
11 cm
4 in.
3. Use = 3.14 to estimate the circumference of
the circle to the nearest hundredth.
4. Find the diameter of a circle with a circumference
of 80 feet.
Use = 3.14 to estimate the circumference of
the circle to the nearest hundredth.
C= d=2 r
5. The radius of a circular hat is 3.7 inches. Find
the circumference. Use = 3.14 to estimate the
circumference of the circle to the nearest
hundredth.
C= d=2 r
6. Use = 3.14 to estimate the area of the circle.
Round your answer to the nearest hundredth if
necessary. A = r
8. Use = 3.14 to estimate the area of the circle.
Round your answer to the nearest hundredth if
necessary. A = r
r = 9.6
7 m
9. A circular clock face has a diameter of 7 inches.
What is the area of the clock face? Round to the
nearest tenth.
10. Simplify
.
11. Find the length of the side of a square with an area
of 36.
7. Use = 3.14 to estimate the area of the circle.
Round your answer to the nearest hundredth if
necessary. A = r
12. Estimate the value of
number.
to the nearest whole
13. Suzanne wants to put a fence around her square
garden. If the garden covers an area of 100 ft2, how
many feet of fencing does she need?
24.4 m
Identify all the sets to which the number belongs. Choose from rational number, irrational number, whole
number, and integer.
14. 3.1214122144 . . .
15.
16. Is
a rational or an irrational number?
17. a) Name the figure. How many b) faces, c) edges,
and d) vertices? e) What is the shape of the base?
.
18. a) Name the figure. How many b) faces, c) edges,
and d) vertices? e) What is the shape of the base?
19. a) Name the figure. How many b) faces, c) edges,
and d) vertices? e) What is the shape of the base?
20. Name the geometric solid suggested by a frozen
juice can.
21. Name three faces of the cube above that intersect at
point G.
22. Use the figure above.
is parallel to____.
Essay
23. The diameter of a tire is 2.5 ft. Find the circumference of the tire. About how many times will the tire have to
rotate to travel 1 mile? (1 mile = 5,280 ft) Show your work.
Other
24. In the cube,
is parallel to
and
Is
parallel to any other line segments in the cube? Explain.
7th Grade Review Worksheet 8-5, 8-6, 8-8
Answer Section
MULTIPLE CHOICE
1. B
SHORT ANSWER
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
25.12 in.
34.54 cm
25.48 ft
23.236 in.
153.86 m2
467.36 m2
289.38 m2
38.5 in.2
6
6
7
40 ft
irrational number
rational number
irrational
triangular pyramid
cube
hexagonal prism
cylinder
DHGC, CBFG, GFEH
none of these
ESSAY
23.
[4]
[3]
[2]
[1]
C = d = (2.5 ft) = 3.14(2.5 ft) = 7.85 ft
5,280 7.85 ft = 672.6 rotations
Minor computational error
Correct circumference, error in number of rotations
Correct answers with no work shown
OTHER
24. Yes. If
is parallel to
, and
is parallel to
, then
must be parallel to
.
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