51 – Nim game and GSP

The kids make fun of me when I refer to every lesson and every game as my favorite. But honestly, my favorite favorite game is Nim.

 
This pdf has a bunch of other fun game grids, Cross Nim is on page 8.

 51-1
 
Finally!!!! Our Mac laptops came back from the shop! Geez louise, they took them out for a “tune-up” on the 3rd day of school and we just got them back this week.
 
The geometry kids are using GSP to investigate triangle congruence. 
 51-2

 

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