There’s a delightful mathematical moment in the movie Merry Andrew, when Danny Kaye, playing schoolmaster Andrew Larabee, breaks into song to teach the Pythagorean theorem. I was reminded of this ...

BRENTWOOD — Chris Bonnie exudes enthusiasm as he works his way around the room of 33 students, correcting, coaching and encouraging at high volume. Heads bent over worksheets, they tackle a warm-up ...

We know all four shapes are the same before and after, but we assumed that the large right triangle also stayed the same size and shape. This assumption was our error! It turns out that the “before” ...

One of the first theorems anyone learns in mathematics is the Pythagorean theorem: if you have a right triangle, then the square of the longest side (the hypotenuse) will always equal the sums of the ...

BRENTWOOD — Chris Bonnie exudes enthusiasm as he works his way around the room of 33 students, correcting, coaching and encouraging at high volume. Heads bent over worksheets, they tackle a warm-up ...