Learning Flower
1001 circles: Exploring the spiral multiplication table

1001 Circles is a series of stories that show what a math circle might be like, from the point of view of circle leaders. We hope these stories will inform and inspire you to lead a circle of your Read more ›

Posted in Make


Math Is Not Linear
Who am I? A guessing game

“Math is not linear.” People say that, but do you believe it? Here is the history of one person’s interaction with Khan Academy. Answer this person’s riddle: WHO AM I? Judging by this historical Read more ›

Posted in Grow

Math adventures by email

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


  • Move through math wi
  • Turn addition into a
  • Learn how to invite
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