There is a scene in the film Incredibles 2 where young Dash asks his dad Bob for help with his maths homework. Bob obliges and begins to scribble on a notepad. But Dash quickly points to his textbook ...

One of my first vivid memories of math is of timed tests. I still remember how visceral my panic felt–sweaty palms, heart pounding–as I scrambled to recall facts before the clock ran out. You might ...