**There are 3 types of math geeks:**

**Those who can countand those who can't.**

**So, you think you know how to count, do you? OK... answer these! (If you can!)**

How many ways can 8 books be arranged on a book shelf? |

If you have 20 employees and you need to form a committee of 5, how many ways can you do it? |

How many possible ways are there to pick the numbers for the lottery? |

How many possible 7 - digit phone numbers are there? |

**Hmm... Don't know? I do! And it's pretty easy.**

**Amaze your friends and family!Be the life of every party!LEARN TO COUNT!**

**OK, OK! Calm down! I know you're very excited about this... But, before we get into the wild stuff, I need to teach you some basics first.**

**The first thing I need to tell you about is called The Counting Principle. This idea is really important and will be used throughout the rest of our counting.**