Term 2 Week 2

Legos


Jody, Amy, and Tim are building a model out of Legos. The top level is a 1 by 2 rectangle. The level directly underneath is a 2 by 3 rectangle. The level underneath is a 3 by 4 rectangle. How many Legos will they need if their building is to be 12 levels high? Make a chart to show your work.

7 comments:

  1. Anonymous29 April 2015 at 17:06

    1•2, 2•3, 3•4, 4•5, 5•6, 6•7, 7•8, 8•9, 9•10, 11•12, 12•13.
    i times the leght and width of each level to get the area:
    2,6,12,20,30,42,56,72,90,110,132,165
    I added them up and the answer 728 Legos.

    ReplyDelete
  2. Anonymous29 April 2015 at 17:07

    572

    ReplyDelete
  3. Anonymous29 April 2015 at 17:08

    sorry 728

    ReplyDelete
  4. Anonymous29 April 2015 at 17:15

    728 is the answer

    ReplyDelete
  5. Anonymous29 April 2015 at 17:23

    not SURE

    ReplyDelete
  6. Anonymous29 April 2015 at 17:28

    728

    ReplyDelete
  7. Anonymous29 April 2015 at 17:29

    the answer is 728

    ReplyDelete

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