1.   Write a rule that describes how to create each term of the sequence below.
   
    A. Add 6 toothpicks to the right side to create another square.
    B. Add 3 toothpicks to the right side to create another 2 squares.
    C. Add 6 toothpicks to the right side to create another 2 squares.
    D. Add the same number as the term number to the right side to create another 2 squares.
    Hint

  2.   The following explanation of a rule is for a toothpick sequence. Find the correct rule if n is used to represent the term number and t to represent the number of toothpicks.
   
    A. n = 2 + (n + 1) B. t = 2n – 1
    C. t = 2 + (n – 1) D. t = 2n + 1
    Hint

  3.   Luis is l inches tall. Taylor is 10 inches shorter than Luis. Isabel is as tall as Luis. Alexa is 6 inches taller than Isabel. Suppose Luis is 76 inches tall. How tall is Alexa?
    A. 63 inches B. 82 inches
    C. 66 inches D. 57 inches
    Hint

  4.   At a hockey stadium, there are 15 seats in every row. Let s represent the number of seats and r represent the number of rows. Which rule correctly describes the situation?
    A. s = 15r B. r = 15s
    C. s = r ÷ 15 D. s = 15 + r
    Hint

  5.   What is always the final answer to this Think of a Number trick.Think of a number.Divide by 2.Add 1.Multiply by 4.Subtract your original number.Subtract 3.
    A. 11 B. the same number you started with
    C. 1 more than the number you started with D. 1
    Hint

  6.   If n is some odd number, how would you write the next three consecutive odd numbers?
    A. n – 1, n, n + 1 B. n + 1, n + 2, n + 3
    C. n + 2, n + 4, n + 6 D. n + 1, n + 3, n + 5
    Hint



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