# Investigate and use the properties of odd and even numbers (ACMNA071)

**LO: To investigate the properties of odd and even numbers**

**Know:**

- Definition of odd and even numbers
- How to skip count

**Understand:**

- Numbers can be classified as odd or even

**Do:**

- I can find the properties of odd and even numbers.

**Odd and Even Numbers**

Even numbers can be divided evenly into 2 groups with no left over pieces.

They always end in 0, 2, 4, 6, or 8.

Odd numbers can’t be evenly divided evenly into 2 groups and will always have a remainder when split into 2 groups.

They always end in 1, 3, 5, 7, or 9.

Odd and even numbers alternate with each other.

An odd number is always followed by an even number.

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## Odd and Even Number Rules

- Odd number + Odd number = Answer is always an even number
- Even number + Even number = Answer is an always even number
- Odd number + even number = Answer is always an odd number
- Odd number – Odd number = Answer is always an even number
- Even number – Even number = Answer is an always even number
- Odd number – even number = Answer is always an odd number