A clever calculation trick offers a different way to multiply two-digit numbers.

Learn a clever way to multiply two digit numbers and make these calculations faster and easier ...

Hey Super Math Kids! Do you want to impress your friends and teachers with your amazing math skills? Imagine solving tricky multiplication problems in your head, without even needing a pencil or paper ...

19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

It's possible to solve some multiplication problems in your head. But sometimes it can help to use other methods instead. These include using visual aids, such as an array or place counters, or by ...

Elementary school students might memorize their times tables for single-digit numbers, but memorization won’t cut it when the teacher asks for three-digit multiplication. This requires an algorithm: ...