## Kids 6+ can play with linear algebra … and you can, too

A huge idea in advanced mathematics is that you can add objects that aren’t numbers. People often don’t learn about this surprising concept until college…

A huge idea in advanced mathematics is that you can add objects that aren’t numbers. People often don’t learn about this surprising concept until college…

When did you learn that there are still unsolved problems in mathematics?

Do you have a favorite unsolved problem?

For me, it’s a close tie among…

The goal of Yodoku is to place consecutive integers 1, 2, 3, … so that the numbers in each row and the numbers in each column are always increasing. This means…