A grade-school math problem has left people perplexed, can you solve the simple-looking equation in just 30 seconds? The sum, posted to X by BreakTheSilos, that regularly shares brainteasers, is: 12 - ...

“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 ...