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Oregon - Math - Grade 8 - 2004-2005

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  • Graciella is one year less than twice as old as her youngest brother. Which expression could be used to show her age?

    1-2b
    2b-1
    2b
    2b+1


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  • About 60% of the used white paper is recycled at Lance's school. The school uses 1,260 pounds of paper per month. Which is the best estimate for the number of pounds of white paper recycled per month?

    500-560
    600-660
    720-780
    850-910


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  • If the length and width of a rectangle are doubled, what is the effect on the area? It becomes:

    two times as great.
    three times as great.
    four times as great.
    eight times as great.


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  • According to the graph, which of the following is true?

    Over half the day is taken up by sleeping and eating.
    School and homework make up approximately half of the waking hours.
    The total time spent on chores and homework is greater than the amount of free time.
    The largest part of the day is spent at school.


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  • On January 4, the temperature at 2 p.m. was 5°C. At 11 p.m. it had dropped to –3°C. To find the number of degrees the temperature dropped, which equation could you use?

    5 – 3 = x
    5 – (–x) = –3
    5 – x = –3
    x – (–3) = 5


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  • In triangle ABC, a median is drawn from point A to a point D. AD is

    The bisector of BC
    The angle bisector of A
    Perpendicular to BC
    All of the above


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  • During a week in January in Alaska the high temperatures were recorded. Which of the following is the best symbol to use to compare the average high temperatures of Anchorage and Juneau?

    Average in Anchorage = Average in Juneau
    Average in Anchorage ≥ Average in Juneau
    Average in Anchorage > Average in Juneau
    Average in Anchorage < Average in Juneau


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  • What is the volume of this figure?

    5 cm3
    6 cm3
    7 cm3
    8 cm3


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  • What is the probability that a teacher chosen at random will be a male?

    1/2
    9/20
    13/32
    15/32


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  • Twice a number (z) added to 21 is equal to 9 times the number added to 7. What is the number?

    z = -4
    z = -2
    z = 2
    z = 4


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  • Figure KLMN is a square. What are the coordinates of point L?

    (-4, 5)
    (-2, 5)
    (-1, 5)
    (5, -4)


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  • A farmer has 6 times as many Holstein as Jersey cows. What proportion of the total number of cows are Holsteins?

    1/6
    1/7
    5/6
    6/7


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  • The solution to a set of inequalities is graphed. Which of the following could be the set of inequalities?


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  • Bob is going to build a store. He draws a scale drawing of the store with a scale of 1 inch = 40 feet. Find the actual width of the store.

    40 feet
    50 feet
    60 feet
    70 feet


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  • Of the 500,000 foreign students who attended college in the U.S. in one year, how many were from Europe OR Asia?

    330,000
    270,000
    210,000
    60,000


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  • Paula and James found 3 ordered pairs as part of a solution set for y = 4x – 2. They decided to plot the points {(0, -2), ( 1 , 0), (1, 2)} to find the relationship represented. Which graph did they draw?


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  • Using the information in figure ABCD, find the area of triangle ABD.

    24 sq. units
    30 sq. units
    32 sq. units
    36 sq. units


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  • Tim was given $100 for his twelfth birthday. He’s curious to see how much it will grow to if he earns interest on it. His mother tells him that she has about $3,000 in the same kind of account and she earned $90 last year. About how much interest could Tim expect to earn in a year?

    $0.90
    $3.00
    $9.00
    $30.00


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  • This is a rectangular solid. Megan needs to fill the box shown with cubes that are 2 inches on each side. How many cubes will she need?

    30
    60
    120
    240


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  • A dart hits a random point inside the square. What is the probability it will hit the target outside of the circle?


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  • Mrs. Herrera is playing a game with her students. She says, "65 subtracted from my number is 32." Which equation could be used to find her number?

    N – 65 = 32
    32 – N = 65
    65 – N = 32
    65 – 32 = N


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  • Find the perimeter of ABCD.

    12 units
    19 units
    32 units
    37 units


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  • In this set of data: 5, 3, 9, 7, 5, 19, 4 
    5 represents the

    mean
    median
    mode
    median & mode


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  • Which table gives solutions for the equation



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  • Jacob is 5.4 feet tall and casts a shadow that is 4 feet long. At the same place and time of day, a tree casts a shadow that is 22 feet long. Approximately what is the height of the tree?

    16.3 feet
    26.0 feet
    27.4 feet
    29.7 feet


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