**Investigate the concept of irrational numbers, including π (ACMNA186)**

**LO:To understand irrational numbers**

**Know:**

- the structure of numbers.

**Understand:**

- that irrational numbers are numbers that can be expressed as a ratio of 2 numbers..

**Do:**

- I can identify irrational numbers

**Rational numbers are numbers that can be written as a ratio of 2 numbers**.

**Irrational numbers are numbers that can not be written as a ratio of 2 numbers.**

**Common Irrational Numbers**