1.   Express as a decimal.
    A. 0.225 B. 2.16
    C. 0.216 D. 2.25
    Hint

  2.   Which of the following numbers is prime?
    A. 9 B. 5
    C. 1 D. 15
    Hint

  3.   What are the prime factors of 400?
    A. 2, 200 B. 4, 10, 10
    C. 2, 4, 5 D. 2, 5
    Hint

  4.   What is the greatest common factor of 25a2b and 5ab2?
    A. 5ab2 B. 5ab
    C. 5 D. 5a2b2
    Hint

  5.   Which fraction is when written in simplest form?
    A. B.
    C. D.
    Hint

  6.   In a survey, 75 out of 100 eighth graders said they bought lunch at school. What percent is this?
    A. 75% B. 100%
    C. 25% D. 0.75%
    Hint

  7.   What is the least common multiple of 4, 5, and 16?
    A. 80 B. 64
    C. 16 D. 160
    Hint

  8.   Express as a decimal.
    A. 0.0125 B. 1.25
    C. 0.125 D. 0.8
    Hint

  9.   What is the greatest common factor of 20x2 and 32x3?
    A. 8x B. 4x
    C. 4x2 D. 8x3
    Hint

  10.   Express as a percent.
    A. 68.73% B. 687.30%
    C. 6.87% D. 0.69%
    Hint

  11.   Marquez is on a certain baseball team that has a four-man pitching rotation, so each pitcher plays every four days. Walter is on another team, which has a five-man rotation. If Marquez and Walter play in the same game today, how many days will it be before they play on the same day again?
    A. 20 B. 5
    C. 4 D. 10
    Hint

  12.   Express 0.47 as a percent.
    A. 4.7% B. 470%
    C. 0.47% D. 47%
    Hint

  13.   Express % as a decimal.
    A. 0.72625 B. 7.2625
    C. 72.625 D. 0.072625
    Hint

  14.   The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 18-24 as a fraction of the number of mobile phone users aged 35-54 in simplest form.
   
    A. B.
    C. D.
    Hint

  15.   Which sentence is not true?
    A. B. > 0.85
    C. > 42% D. 0.3 < 34%
    Hint

  16.   Which rational number is the least?
    A. 0.9 B.
    C. D. 10%
    Hint



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