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

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standard: MCC3.MD.5,6,7

Download the Task

Act 1

Watch the video

  1. How many tiles are in the bag?  Estimate
  2. Are there enough tiles to cover the entire table?

Piles of Tiles Act-1

Act 2

Table Dimensions

Number of Tiles in the Bag

***Base Ten Grid Paper for scaffolding***

Act 3

tiles on table

Up Close

photo 1 (11)

Click the link here to find more 3-Act Lessons