Last Sunday at the Golden Key Russian School, we did a fun and engaging activity involving pentaminoes. Pentaminoes are shapes made out of five squares connected along edges. There are 12 of them up to rotations and reflections:
The goal here is to cover the shape with any two different pentaminoes. As the kids got the hang of it, we started giving them shapes that had to be covered by three or four pentaminoes. Try your hand at these:
And here are the kids in action:
The puzzle game Katamino contains a myriad of pentamino puzzles, starting with some that are easy for Katie and ending with ones that I cannot do myself. Warning: it can be addictive!