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OR - 1997-1998 - Math - Grade 8

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  • What decimal represents the shaded portion of the large rectangle below?


    3.7
    3.0
    0.7
    0.3


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  • Joshua drove 301 miles in 6 hours, 41 minutes. At what speed did he drive?

    Less than 40 miles per hour
    About 45 miles per hour
    Over 50 miles per hour
    Exactly 55 miles per hour


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  • About what percentage of this triangle is shaded?

    20%
    33%
    50%
    67%


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  • Which of the following is true about 125% of 10?

    It is greater than 10.
    It is less than 10.
    It is equal to 10.
    Can’t tell.


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  • Sue played a card game several times last month. Her scores for five games were 135, 142, 187, 210 and 156. What was Sue's average score?

    124
    156
    160
    166


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  • Which number is between 1.2 and 1.3?

    0.123
    0.132
    1.23
    1.32


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  • The Highway 30 Dragstrip has 3 sets of races every weekend. There are races on Friday and Saturday night and on Sunday afternoon. Shown are the attendance figures. How many people attended the Sunday afternoon race?

    2100
    2400
    3000
    4050


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  • Calculate the volume of this figure.

    1.00 cubic centimeter
    2.00 cubic centimeters
    3.14 cubic centimeters
    6.28 cubic centimeters


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  • What is the least common multiple of 12, 48 and 72?

    72
    144
    192
    216


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  • The sum of the interior angles of any triangle is equal to

    90°
    120°
    180°
    360°


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  • Estimate the length of the line drawn How long is the line?

    40 centimeters
    40 decimeters
    40 meters
    40 millimeters


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  • In an isosceles triangle, the smallest angle is ½ the measure of each of the two remaining congruent angles. What is the measure of the smallest angle?

    36°
    45°
    72°
    144°


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  • If you roll a pair of regular six-sided dice 42 times, what is the best guess of how many times you will roll a 7?

    5
    7
    10
    14


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  • Use the scale drawing to estimate the diameter of the hole in the center of the drawing.

    8 in.
    4 in.
    1/2 in.
    1/8 in.


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  • Use the map to answer the question. If you average 55 miles per hour, about how long will it take to drive from Grady to Minden?

    10 to 20 minutes
    25 to 35 minutes
    40 to 50 minutes
    More than 55 minutes


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  • Which of the four bottom figures is congruent to the top figure?


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  • Soong Yin has 40 feet of fence to make a play yard for her little brother. She can use only straight sides. What shape should she use to provide the largest possible area?

    A 10-foot by 10-foot square
    A long, narrow rectangle
    A nonsymmetric trapezoid
    An equilateral triangle


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  • There are 6 soccer teams in a league. Each team plays each of the other teams twice in the season. How many games would be played altogether during one season?

    12
    15
    24
    30


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  • You have two six-sided dice. You roll the first one and it comes up 3. Then you roll the second one. What are the chances the second one will be a number larger than a 3?

    1 chance out of 1
    1 chance out of 2
    1 chance out of 6
    1 chance out of 12


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  • Which decimal is equal to 3/5?

    0.3
    0.35
    0.06
    0.6


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  • Tom is exactly one year younger than Bill. Which of the following equations most precisely shows the comparison of Tom’s age (T) and Bill’s age (B)?

    T = B + 1
    T > B
    B = T – 1
    T = B – 1


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  • If Jodie has 4 pairs of pants, 4 shirts and 2 pairs of shoes, how many different combinations are possible?

    10
    18
    32
    64


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  • A factory makes steel plates that are 30 mm ± 2 mm thick. These plates are in stacks of 100. Which of these is most likely the height of one stack?

    2.4 meters
    3.1 meters
    4.0 meters
    4.5 meters


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  • 4/5 expressed as a percent is

    40%
    45%
    75%
    80%


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  • Which one of the following objects is most like a geometric plane?

    Tabletop
    Water glass
    Ice cream cone
    Shoe box


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  • Look at the figure. Which one of the following four figures appears to be congruent to it?



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  • Here are the job levels and yearly salaries of five employees in a company. Based on this table, what is the relationship between job level and yearly pay?

    Every increase in job level increases yearly pay by $5,247.
    The higher the job level, the greater the pay.
    A higher job level often means a higher salary, but not always.
    There does not seem to be any relationship.


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