Following on from the previous blogs about the number 6174 and the (not-so) magic number 10, here are 5 more cool maths tricks that you can use to impress your friends.Trick 1For this trick, pick a three digit number with repeating digits (eg. 222 or 999)Add up the digits of… Continue reading 5 more maths magic tricks

# Tag: magic

## The Magic Number 10 – A mathematical trick

Here's another maths magic trick that you can use to impress your friends. This trick works for ANY number that you choose. Follow these instructions and you will always end up with 10. Pick a number.Multiply it by 3.Then add 30.Then multiply by 2.Then divide by 6.Subtract your original number.… Continue reading The Magic Number 10 – A mathematical trick