Euclid's Game
Discover the hidden ratio — free for every scholar
Scholar: Guest Scholar
Larger Pile21
ACTIVE
Smaller Pile13
How many times would you like to subtract 13?
Result: The larger pile will become 8
Subtract a multiple of the smaller number from the larger. Continue until one pile reaches zero.
This activity is free for every family. When you want number bonds, bar models, and the rest of the calm library, a paid Arena pass is $47 per year, or $97 once for 10 years.
EUCLID'S GAME — COMPLETELY FREE FOR EVERYONE