Turing machines Busy Beaver Hunters Reach Numbers That Overwhelm Ordinary Math The quest to find the longest-running simple computer program has identified a new champion. It’s physically impossible ...

The future of math education will begin with the divorce of a very long-term marriage between math learning and grade-level instruction. “The Future of Math, ” my chapter in School Rethink 2.0 ...

But this marriage between math and grade-level instruction has always rested on an unstable foundation. On the one hand, math, like most subjects, is cumulative.