13 Simple Math Hacks Your Teachers Never Taught You
13 Simple Math Hacks Your Teachers Never Taught You It's easier than you think. 1. Multiplying By 9 Media Source To be fair, there are definitely some teachers who told students about this trick. But if yours didn't, here's how you can easily remember your times table for multiplying by nine. It's so simple, it almost feels like cheating. 2. Reverse Zorro Media Source Using this "Z" trick can help you calculate a fraction of a whole number. Not only is it helpful, but it also makes you feel like Zorro himself. But only if Zorro focused less on sword fighting and more on acing his math test. 3. Number Symmetry Media Source What are you supposed to do with this math trick? We have no idea. It's just cool to know that this trick exists. 4. Age Trick Media Source SPOILER ALERT: If your age is 30, the answer is 303030. If your age is 58, the answer is 585858, and so on. It works because 259 times 39 equals 10101, and multiplying a two-digit number by that...