This 3-act task was created to work hand in hand with my Building Fact Fluency Toolkit. 

If you’re looking for a resource that builds fact fluency through meaningful context, while providing purposeful opportunities to practice, be sure to check it out here.



Act 1

Watch the video


  • What do you notice/? What do you wonder?
  • How many markers don’t work?
  • Estimate. What is your strategic choice of a number? What’s the strategy behind your estimate?


Act 2

How many markers are in the case and how many work.


Act 3

Click the link here to find more of My 3-Act Lessons