and into Lesson 3

We checked Lesson 2, Set II and then moved into Lesson 3. We started working on Lesson 3, Set I together and I would like them to complete this for homework.

And, as I promised Yael, here are the billiard table rules...

length is even, width is odd - ends up in upper left
length is odd, width is even - ends up in the lower right
length & width odd - ends up in upper right