To review coordinates with three axes (x, y, z) we placed Legos on a grid and asked a series of 'what are the coordinates of the pink Lego?
This was the third time we presented the idea, and now all of the kids more or less get it, but I presented this more as a fact than an open ended puzzle. Will try more puzzle next time, and hope the students recover!
Dividing stones
2x + 3 = 9
3x + 1 = 4
2x + 3 = 15
Splitting coins
Split in 2s and 3s
experiment
Do oranges float in water?
Why does the orange float but the pieces don't?
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