# MATH IN MY LIFE

### Learn more about math in this presentation! Made by Ciaran

## The number PI

PI is a very long number which is a name for the fixed ratio of circumference to diameter which will ALWAYS BE the number 3. There are lots of numbers in PI (I only know 6!). There are lots of ways to experiment on PI. One that is really popular is the Buffon's Needle.

Using the picture here, What is the first 6 numbers of PI - 390 (without the decimal)?

Answer: 314159-390=313769

## Symmetry

Symmetry means that if you split something in half, it will be the EXACT same on both sides. Examples are below.

## Examples

## geometry

Geometry is basically just a cool word for shapes. A square is geometry. So are rectangles, rhombuses, trapezoids, and every other shape you can think of.

## Probability

Say that on Monday you go on a Minecraft Server and you see someone. Then on Tuesday, you go on the same server. And you see the same guy again. Then on and on for the next 3 days. The PROBABILITY of him being there is very high. Probability is the chance of something happening basically

## The fibonacci sequence.

The fibonacci sequence is a series of numbers that, if you add the last 2 numbers together, it will equal the next. So it goes: 1, 1, 2, 3, 5, 8, 13, 21, ect.

If you do the fibonacci sequence up to the 17th number of it, what would it be? Answer below :).

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1,597