We all, at least barring homeschooling or a strange, feral wolf-boy situation, learn science and math growing up. But apparently, some people choose to actually store that knowledge, instead of ...

“Because we do so much multi-step problem solving, and we’re doing two-step word problems, if they’re spending 10-15 minutes trying to figure out what 9x7 is, they’re doing a lot of extra work, or ...