Low-Tool Math Circles· EN
The Teacher's Watch-List
Eight behaviours worth a pencil mark against a name while a class works on any rich task.
Mathematics
Low-Tool Math Circles
Weekly problem lists that need no formulas — low floor, high ceiling — and the open circle where any child may present.
Low-Tool Math Circles· EN
The Triangle Tiling
Elementary but hard. Cutting, trying, then noticing what every corner demands. No formulas.
Ages 8–13Mathematics
Low-Tool Math Circles· EN
The Thousand Doors
Elementary but hard. A problem about noticing structure, with no formula to apply.
Ages 9–14Mathematics