Bojagi 12
Bojagi: Cute multiplication puzzles by and for families

Multiplication is not just repeated addition, but what is it? From Montessori beads to algebra tiles, many developers claim the array and area models are great for growing children’s conceptual u Read more ›

Posted in Make


Chains of colors
1001 Leaders – Ida and Anna on three generations of math circles: “Math is nice!”

Why would you decide to lead a math circle? Anna Ignatov attended a math circle as a child, and then, as a mom, organized two circles for her two daughters and their friends. Since 14, Anna’s daughter Read more ›

Posted in 1001 Circles & Leaders, Grow

Math adventures by email

Games for kids, Q&A, open courses, art, interviews for the Natural Math community.

Math Circles 1001 Leaders Course


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  • Lots of geometric "h
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