When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Learning maths is difficult at the best of times - but when it comes to rational numbers, there is an entire conceptual shift ...

I recently posted a piece on the future of high school math education and the Common Core State Standards on math, which was the work of a coalition of mathematicians, statisticians, teachers and ...