Act 1 – Ten-ness Balls

 

Download the Task

 

Watch the Video:

  • What do you notice/? What do you wonder?
  • How many tennis balls are there altogether?
  • Estimate. What is your strategic choice of a number? What’s the strategy behind your estimate?

 
 


 
 

Act 2

How many tennis balls are in the bag.

 
 


 
 

Act 3


 
 


 
 

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