1.   How many squares do you add from Stage s to Stage s + 1 in the pattern below?
   
    A. s squares B. s + 2 squares
    C. 0 squares D. s + 1 squares
    Hint

  2.   How many blocks are used in Stages 1–3?
   
    A. 3, 6, 10 B. 3, 7, 10
    C. 4, 7, 10 D. 9, 15, 21
    Hint

  3.   Find an expression for the number of blocks in Stage s.
   
    A. s + 3 B. 3s
    C. 2s – 1 D. 3s + 1
    Hint

  4.   Describe this pattern.
   
    A. square pattern B. doubling pattern
    C. cube pattern D. ''add 1'' pattern
    Hint

  5.   Describe this pattern.
   
    A. cube pattern B. doubling pattern
    C. square pattern D. ''add 1'' pattern
    Hint



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