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

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

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

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

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



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