## Introduction

In this lesson, we will learn about probability. You've probably heard this word before, but don't know much about it. So, in this lesson we will learn about this topic in further detail so that you know about probability in mathematics and even in real life situations!

## What is Probability?!

**Probability: the state of being probable; a strong chance of something**

Let's say that you have a bag with 24 marbles. 1/3 of the marbles are purple. The rest of the marbles are blue marbles. You reach into the bag and pick out a marble. What is the probability you picked a blue marble?

First, you need to find the quantity of marbles for each color. We know that 1/3 of the marbles are purple. There are a total of 24 marbles so we have to divide 24 by 3 since there are 3 total parts. So 24/3 equals 8 which means that 8 of the marbles are purple. Since the rest of the marbles are blue, 24-8 equals 16. So, 16 of the marbles are blue. 16 out of 24 marbles is the same thing as 16/24 or simplified to 2/3. That means the probability of you picking a blue marble is 2/3!

*Sheet 1 Probability*

*Sheet 2 Probability*

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