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OR 00-01 Math Grade 8

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  • At sporting events, the number of first aid workers needed depends on how many people attend the event. This table shows the number needed for various numbers of people attending

    Based on thie information in this table, if there were 12 first aid workers at the event, how many people are attending the event? 


    1,500

    1,800

    1,900

    2,000



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  • Which of the following terms most accurately describes Ð KLM?

    Ð KLM?

    Acute angle

    Right angle

    Supplementary angle

    Obtuse angle


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  • If the shaded area represents 1/4, then which of the following decimal numbers represents UNSHADED area?

    then which of the following decimal numbers represents UNSHADED area?

    0.25

    0.50

    0.65

    0.75


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  • Look at the scale drawing below. It shows the office of the president of Intechtics. Which of the following scales is most likely the one used?


    1 foot equals 1 yard.

    1 centimeter equals 1 inch.

    1 millimeter equals 1 kilometer.

    1 inch equals 6 feet.


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  • A number of children live in Forest View. The average of the children’s ages is 13. Several of the statements below COULD be true, but only one HAS to be true. Which one?

    There are more children who are 13 than there are at any other age.

    Almost every child is 13.

    If you lined up the children from youngest to oldest, the 13-year-olds would be in the middle.

    The sum of the children’s ages divided by the number of children is 13.


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  • Which of these expressions is equivalent to
    7(9 + 11)


    (7 x 9) + (7 x 11)

    63 + 11

    (7 + 9) x (7 + 11)

    16 + 18


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  • Mandy is sewing fringe around the perimeter of a scarf. The scarf is cut in the shape of an equilateral triangle. 1 side of the scarf is 9.5 inches long. How much fringe will Mandy need?


    19 inches

    28.5 inches

    1 yard, 2 inches

    36 inches


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  •  

    90 degree  clockwise rotation

    180 degree clockwise rotation

    reflection across x-axis

    slide translation


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  • At 1 bowling alley, it costs a certain amount (S) to rent shoes for an evening and a fixed amount (G) for each game a bowler bowls. Which of the following formulas best shows the total cost (C) for renting shoes and bowling 4 games?



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  • A vocational school admits about 3 of every 5 people who apply. If 130 people apply, how many will probably be admitted?


    About 52

    About 78

    About 87

    About 104


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  • Which of the indicated angles is about 330°?


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  • Laura’s family is having a lottery. All five family members drop their own names into a hat. The first name pulled from the hat must do the dishes all week. What is the probability that Laura will NOT have to do the dishes this week?

    1/5
    2/5

    3/5
    4/5


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  • How many liters of a 75% salt water solution should be added to 50 liters of a 25% salt water solution to make a 50% salt water solution?

    50
    55
    60
    75


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  • Which group of CAPITAL letters shown has both vertical and horizontal symmetry?

    B C D E

    A M T Y

    F G J L

    H I O X


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  • Tickets for a concert cost $18 in advance and $20 at the door. Advance ticket sales totaled $9,036. A total of 842 people attended the concert. What was the total amount of money raised by the ticket sales?

    $6,800

    $15,156

    $15,836

    $16,840


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  • A king-size water-bed mattress whose dimensions are 7 feet by 6 feet by 6 inches is filled with water. If the weight of a cubic foot of water is 45 pounds, how much will the water in the mattress weigh?

    607.5 pounds

    945 pounds

    1,890 pounds

    11,340 pounds


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  • A dart randomly hits the dartboard below. What is the probability it will land in the shaded area?


    0.125

    0.25

    0.8

    4.5


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  • Carson will earn $25 plus $5 for every mile he runs for a fund-raiser. He wants to earn at least $100. Which expression represents the money Carson wants to earn if x equals the miles to run?


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  •  D LMN is reflected over the x-axis and then over the y-axis. What are the coordinates of the image of point N after these two reflections?

    (–5, 8)

    (4, 1)

    (8, –5)

    (–8, 5)


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  • On the day after a snowstorm, 37.5% of the students were late for school, and one fourth of the students stayed home. If the school has 1200 students, how many were at school on time that day?

    750

    350

    300

    150


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  • This scale is holding 3 apples and nothing else.

    How much do the apples weigh?


    25 pounds

    21 pounds

    2 pounds 8 ounces

    2 pounds 4 ounces


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  • Claudia needs to buy 2 flavors of ice cream for her class party. She has 6 different kinds to choose from. How many ways can she choose 2 different flavors?

    6
    12
    15
    30


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  • Which number line represents the solution to


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  • The smallest interior angle of a triangle is 30°. Which one of these statements MUST therefore be true?

    The second angle is 60°, the third is 90°.
    Neither of the other two angles can be greater than 75°.
    The triangle must be an acute triangle.
    The measures of the other 2 angles must add up to 150°.


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