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Check out Graham's Building Fact Fluency Toolkit for addition and subtraction.

standard: 1.NBT.6

Act 1

Watch the video:

What do you notice? What do you wonder?

  • How much did the bag of chips cost?  Estimate.
  • Write an estimate you know is too high.  Write an estimate you know is too low.

Act 2

Money Deposited


Act 3

cost of Munchos

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