A fresh printable worksheet of maths and computational-thinking puzzles for
kids. Every question, every answer, and every wrong answer is computed by a
program, not written by an AI.
Correct by construction.
Each sheet gets a permanent link you can reprint or share, and it always renders the same sheet. A browser cookie keeps the puzzles fresh.
* Sipatsi are the woven bands made in Inhambane, in southern Mozambique. The mathematician Paulus Gerdes (1952–2014) spent a lifetime showing that the women weaving them were working with symmetry and combinatorics to create eternal beauty.