1.   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

  2.   Draw a top-count view of this block
   
    A. B.
    C. D.
    Hint

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

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

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



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