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As part of a joint effort with earlyfamilymath.org to create a fun activity for high school kids to teach to pre-K through 2nd graders at math nights (more on [...]

A brilliant math idea my wife had for our 5-year-old this Halloween: make a map! She drew a quick sketch of the neighborhood, and he tried to plan a trip that [...]

Zeno (zenomath.org) is an organization we’ve admired and collaborated with for a long time. They’re based in Seattle, like us. We’ve been to their math [...]

[Want to get right to it? This Dropbox folder has all the activities and PDFs linked below.] Teachers, administrators, and students all spend the bulk of their [...]

I got a fun note from a friend yesterday, who has been playing with 21st Century Pattern Blocks with his 3.5 year old daughter. He had an idea for 21st Century [...]