Can you quickly tell if a number is divisible by 3 or by 9? With this trick you can impress everyone – well, not EVERYone, but a few anyhow. Continue Reading →
Can you quickly tell if a number is divisible by 3 or by 9? With this trick you can impress everyone – well, not EVERYone, but a few anyhow. Continue Reading →
We want the next generation to be better than the previous generation – including math. In order for them to improve, the previous generations must either die or shut their traps. Who wants to die? Not me! So here’s how to focus on getting rid of negative math-speak. Continue Reading →
Do you learn to “borrow” when you subtract? How about reverse adding? Some schools have gone to this new method and gotten rid of the borrowing concept. Here’s how it works. Continue Reading →