Mathemagic!
Many magic tricks use mathematics to fool the audience
Let's start with a magic trick!
- Choose any number
- Add 4 to your number
- Now multiply by 2
- Now take away 2
- Divide by 2
- Now take away the number that you first thought of
I bet I know your final answer...
Is it ...
Three?
Try this trick on your friends to test your mind-reading ability. Actually, you're not really doing magic, you're doing algebra, a branch of mathematics that goes back thousands of years.
In this unit, you will learn how to use symbols to stand for unknown numbers, which you will then find. You will also learn how to form your own mind-reading tricks.
- counter started 25/08/10
- total file downloads...13022
- total number of shared resources...2000
- total file downloads...13022
- total number of shared resources...2000