1. Teaching Ideas

Lots of Pieces – Number Problem

We’ve been trying to organize our stuff. Brian has a lot of puzzles!


What do you notice and wonder?

  • “I notice that there are hundreds of pieces in the picture.”
  • “Does Brian like puzzles?”
  • “If there are 13 puzzles, how much money did they cost?”
  • “How old is Brian?​”
  • “There are numbers on the puzzles so you can see how many pieces there are.”

How many puzzle pieces do I have all together? Just take a guess!




Now, do the math to find an exact answer.


What are some strategies or different ways to add this up, to make it easier to find the total?

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