San Francisco’s school district was in trouble. Only 19% of tenth graders had passed the state maths exam and were not required to repeat a maths course. That number dropped further, to 1%, among ...

Twelve years ago I joined a band that was eventually called The Black Math Experiment as co-lead singer. If you’ve heard of us at all, it’s because of the nearly-impossible-to-explain anomaly that was ...

We teach the wrong math, tested in the wrong way, writes Ted Dintersmith.