1.   Name the operation that should be done first in the expression
9 (7 3) 2.
    A. subtraction B. addition
    C. division D. multiplication
    Hint

  2.   Evaluate 3 × 5 + 12 ÷ 3.
    A. 9 B. 19
    C. 11 D. 27
    Hint

  3.   Evaluate 42 10
    A. 6 B. 16
    C. 2 D. 26
    Hint

  4.   Evaluate 16 + (9 - 4)10 - 4 · 5.
    A. 190 B. 96
    C. 35 D. 46
    Hint

  5.   The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room?
   
    A. 3 × 1.5 + 2 × 1 + 2
    B. 5(1.5 + 1) + 2
    C. 1.5 + 1.5 + 1.5 + 1 + 1 + 2
    D. 3(1.5) + 2(1) + 2
    Hint



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