New York Times Editorial Board Member Mara Gay and MSNBC’s Brian Williams are being questioned about a mathematical breakdown of former New York City Mayor Michael Bloomberg’s campaign. On Thursday, ...

The puzzle reads: 3 + 4 = 19 5 + 6 = 4 1 2 + 8 = 66 5 + 1 = ? At first glance, none of these make sense. According to standard math, 3 plus 4 is 7 — so how do we ...

Corrected: An earlier version of this Commentary illustration included an incorrect math formula. The correct formula for calculating the area of a circle is A=πr^2. When I was a kid, I hated math. I ...

• Math facts plank walking: Turn your couch into a pirate ship and a bench into the plank. Create story lines where for every incorrect math fact answer, your child takes another walk down ...