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

  2.   Find an expression for the number of blocks in Stage s.
   
    A. s + 1 B. 2s2
    C. 2s + 1 D. s2
    Hint

  3.   Without building it, predict the number of blocks in Stage 7.
   
    A. 49 B. 100
    C. 81 D. 64
    Hint

  4.   Create a block pattern with s2 – 1 blocks.
    A. B.
    C. D.
    Hint

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



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