1.   In a game of What's My Rule? the first clue was ''5 gives 12.'' Write a rule that fits this clue.
    A. output = input + 5 B. output = 12 – 5
    C. output = 5 × input + 2 D. output = (input + 1) × 2
    Hint

  2.   In a game of What's My Rule? the first clue was ''3 gives 3.'' Write a rule that fits this clue.
    A. output = 2 ÷ input + 0 B. output = input + 3
    C. output = input × 0 D. output = (input + input) ÷ 2
    Hint

  3.   Find a rule for the toothpick sequence.
   
    A. number of toothpicks = 6 × term number
    B. number of toothpicks = 4 × term number – 4
    C. number of toothpicks = term number + 4
    D. number of toothpicks = 4 × term number + 2
    Hint

  4.   Find a rule for the toothpick sequence.
   
    A. number of toothpicks = term number
    B. number of toothpicks = term number – 1
    C. number of toothpicks = 2 × term number – 1
    D. number of toothpicks = 1 + term number
    Hint

  5.   How many toothpicks are in Term 100?
   
    A. 101 B. 102
    C. 100 D. 99
    Hint



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