1.   What are the rules for the order of operations?
    A. Multiply and divide in order from left to right. Then add or subtract in order from left to right.
    B. Perform each operation as it appears in order from left to right.
    C. First add, then subtract, then multiply, and then divide.
    D. Add and subtract in order from left to right. Then multiply or divide in order from left to right.
    Hint

  2.   Identify the first step when evaluating the expression
11 10 ÷ 2 + 6 × 1.
    A. 11 10 B. 6 × 1
    C. 2 + 6 D. 10 ÷ 2
    Hint

  3.   Find the value of 18 3 5 2.
    A. 45 B. 73
    C. 1 D. 8
    Hint

  4.   Identify the first step when evaluating the expression
2 + 9 18 + 21 × 2 9.
    A. 9 18 B. 2 + 9
    C. 21 × 2 D. 2 9
    Hint

  5.   Find the value of 9 8 ÷ 2 ÷ 4 4.
    A. 11 B. 3
    C. 4 D. 2
    Hint