1.   Write 13 in word form.
    A. thirteen B. one hundred thirteen
    C. thirty D. thirty-one
    Hint
  2.   Write 457 in word form.
    A. four hundred fifty-seven B. forty fifty-seven
    C. forty-five hundred seven D. four hundred seventy-five
    Hint
  3.   Replace ∅ with <, >, or = to make a true sentence.

2,351 ∅ 2,351
    A. + B. >
    C. = D. <
    Hint
  4.   Write as a decimal.
    A. 1.7 B. 0.17
    C. 17.1 D. 0.017
    Hint
  5.   In a computer, a graphics file uses 17.06 MB of memory and a music file uses 10.72 MB of memory. Which file uses more memory?
    A. You cannot tell. B. music
    C. They use the same amount. D. graphics
    Hint
  6.   Which choice uses rounded numbers to get an estimate?
    A. 17 + 8 = 25 B. 16 + 8 = 24
    C. 17 − 8 = 9 D. 16 − 8 = 8
    Hint
  7.   Find 952 − 83.
    A. 969 B. 879
    C. 122 D. 869
    Hint
  8.   Find 8.06 − 7.43.
    A. 1.63 B. 0.53
    C. 15.49 D. 0.63
    Hint
  9.   Find 0.39 + 0.87.
    A. 0.48 B. 1.26
    C. 3.03 D. 1.16
    Hint
  10.   Name the Addition Property that is shown.

15 + (75 + 82) = (15 + 75) + 82
    A. Identity Property B. Associative Property
    C. Commutative Property D. Distributive Property
    Hint
  11.   Name the Addition Property that is shown.

27.8 + 0 = 27.8
    A. Associative Property B. Commutative Property
    C. Distributive Property D. Identity Property
    Hint
  12.   Name the property of addition that helps you find the sum mentally.

8.3 + 5.5 + 0.7 = 14.5
    A. Distributive Property B. Associative Property
    C. Commutative Property D. Identity Property
    Hint
  13.   Name the property of addition that helps you find the sum mentally.

14.25 + (5.75 + 8.36) = 28.36
    A. Associative Property B. Distributive Property
    C. Identity Property D. Commutative Property
    Hint
  14.   Find the result mentally.

12.4 − 7.1
    A. 5.3 B. 4.3
    C. 19.5 D. 5.5
    Hint
  15.   Find the result mentally.

45.2 − 3.5
    A. 41.7 B. 42.7
    C. 42.3 D. 48.7
    Hint
  16.   Tell which mathematical statement represents 9 rows of 2 chairs.
    A. 9 × 2 = 18 B. 9 × 2 = 11
    C. 9 + 2 = 11 D. 9 × 2 = 92
    Hint
  17.   Tell which expression represents the number of zeros in the product 600 ×70.
    A. 2 + 1 = 3 B. 6 + 7 = 13
    C. 3 + 2 = 5 D. 2 × 1 = 2
    Hint
  18.   As part of her training, an athlete runs 18 kilometers each day. How many kilometers does she run in 24 days?
    A. 4,320 km B. 432 km
    C. 42 km D. 232 km
    Hint
  19.   Find  .
    A. 84 B. 78
    C. 27 D. 243
    Hint
  20.   Solve the problem.

Each ticket costs $7. How many tickets can you purchase with $100?
    A. 7 tickets B. 14 tickets
    C. 15 tickets D. 2 tickets
    Hint