1.   Find all of the factors of 15.
    A. 1, 3, 5 B. 3, 5, 15
    C. 1, 3, 5, 15 D. 1, 3
    Hint

  2.   Find all of the factors of 45.
    A. 5, 9, 15, 45 B. 1, 3, 5, 9
    C. 1, 3, 5, 9, 15, 45 D. 5, 9, 15
    Hint

  3.   Find the GCF of 8 and 12.
    A. 24 B. 6
    C. 4 D. 8
    Hint

  4.   Find the GCF of 10, 30, and 40.
    A. 15 B. 2
    C. 10 D. 4
    Hint

  5.   Tell which model shows a prime number.
    A. B.
    C. D.
    Hint

  6.   Write the prime factorization of 28.
    A. 2 × 2 × 2 × 7 B. 4 × 7
    C. 2 × 2 × 7 D. 2 × 2 × 7 × 28
    Hint

  7.   Find two fractions that are equivalent to . Check your answer using fraction tiles or number lines.
    A. B.
    C. D.
    Hint

  8.   Find the number for □ that makes the fractions equivalent.

    A. 6 B. 9
    C. 12 D. 36
    Hint

  9.   Write the fraction in simplest form. If the fraction is in simplest form, write simplified.
    A. B. simplified
    C. D.
    Hint

  10.   DeJuan raked leaves for 42 minutes. What fraction of an hour did he rake leaves, in simplest form?
    A. B.
    C. D.
    Hint

  11.   Write 0.75 as a fraction in simplest form.
    A. B.
    C. D.
    Hint

  12.   Write 0.18 as a fraction in simplest form.
    A. B.
    C. D.
    Hint

  13.   Find the LCM of 3 and 5. Make a table or number line.
    A. 15 B. 90
    C. 60 D. 30
    Hint

  14.   Iris cuts her hair every 8 weeks and has her hair styled every 3 weeks. She did both today. When is the next time she will do both again?
    A. 24 weeks B. 18 weeks
    C. 42 weeks D. 16 weeks
    Hint

  15.   Replace the ○ with <, >, or = to make a true statement.

    A. B.
    C. = D.
    Hint

  16.   Replace the ○ with <, >, or = to make a true statement.

    A. B.
    C. D. =
    Hint