 ### OR 99-00 Math Grade 8

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• Find the next number in the sequence.

4 16 64 256 1,024 ?

2,048

3,072

4,096

5,120

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• What is the reflection across the x axis of point A (4,1)?

x axis of point A (4,1)?

(0,–1)

(–4,1)

(–4,–1)

(4,–1)

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• The length of a box was measured to the nearest centimeter and found to be 7 centimeters. Which of these could have been the length if the box was measured with greater precision?

6.4 centimeters

6.7 centimeters

7.62 centimeters

7.9 centimeters

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• Chord

Ray

Diameter

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• Jose can buy 3 CDs in a store for \$36.00, or 7 CDs by mail for \$56.00. The cost for each CD by mail is what fraction of the store price?

3/7
9/14
2/3
6/4

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• What are the coordinates of point A?

(–2,2)

(–2,–2)

(2,–2)

(2,2)

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• For the past 5 days, the daily number of phone
calls to the office has been 28, 50, 55, 55 and
42. What is the MEAN number of phone calls

46
59
55
58

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• Which of the following angles is acute?    You have not completed the item above
• The manager of the Pawtucket Red Sox
baseball club puts up a list of the 21 players on
the team. The list is arranged by the number of
hits each player has; the player with the most
hits is at the top of the list. Assuming no two
players have the same number of hits, how
many hits does the 11th player on the list have?

The mean number of hits

The median number of hits

The modal number of hits

The maximum number of hits

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• Nancy can walk 1 mile in 20 minutes. The model below shows her walking time for each side of the park by her house. What is the perimeter of the park?

0.5 mile

2.5 miles

5.0 miles

50 miles

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• Given y = x + 2 and y = -2x + 5 which point is the solution to both equations?

which point is the solution to both equations?

(1,3)

(–1,3)

(–1,–3)

(1,–3)

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• If a 20-pound bag of fertilizer will cover 1,000
square feet of lawn, how many pounds of
fertilizer will it take to cover the lawn shown
shown?

10 pounds

64 pounds

80 pounds

96 pounds

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• Estimate the size of the indicated angle:

45°

95°

135°

180°

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• A prime factorization for the number 207 is

3 x 3 x 23.

9 x 23

2 x 103.5

207 cannot be factored because it is already a prime number.

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• Use scientific notation to determine the answer:    You have not completed the item above
• Which inequality is represented by the graph?    You have not completed the item above
• Shown is a graph that shows U.S. car sales between 1979 and 1984.

What pattern of car sales is shown by this graph?

Yearly car sales increased and then decreased.

Yearly car sales stayed almost the same across the 6 years.

Yearly car sales decreased and then increased.

Yearly car sales decreased and remained low.

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• The best of these estimates for the height of a door to a house is

15 centimeters.

2 meters.

0.1 meter.

2 kilometers.

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• A jar contains 2 black and 3 white marbles. Al picks 1 marble without looking. What is the probability he picks a black marble?

1/5
2/5

2/3

5

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• Here is a triangle.   Is this triangle isosceles, right, obtuse or equilateral?

Right

Isosceles

Obtuse

Equilateral

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• The graph below displays the number of times a spinner landed on each color.

Which spinner would be most likely to give results displayed in the graph?    You have not completed the item above
• How much of the square is shaded?

1/4
1/2
3/4
3/8

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• The graph shows the height of a Douglas fir tree over time. Which statement best describes the pattern of the tree?

It grows at the same rate every year.

It grows fastest during the first part of its life.

It grows fastest during its middle years.

It grows fastest during its last years.

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• Use the table to answer the question.

Which choice is closest to the MEAN length of these 5 eclipses?

2 minutes, 10 seconds

3 minutes, 18 seconds

3 minutes, 31 seconds

4 minutes, 51 seconds

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