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modified from E. Bradenburg’s task at 101qs

Act 1

MCCK.NBT.1, MCCK.CC.3, 4, 5Download the Task

Show the picture:

Screen Shot 2015-01-15 at 8.11.37 PM

  1. What do you wonder?
  2. Estimate how many squares in the pile?  How many red? How many yellow?

 Act 2

 Act 3

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