### Introduction

Extend the partitioning structure to the numbers six to ten, explore the five-and-a-bit structure of the numbers, and introduce children to the concept of odd and even numbers.

### Teaching points

**Teaching point 1:**The numbers six to nine are composed of 'five and a bit'. Ten is composed of five and five.

**Teaching point 2:**Six, seven, eight and nine lie between five and ten on a number line.

**Teaching point 3:**Numbers that can be made out of groups of two are even numbers; numbers that can't be made out of groups of two are odd numbers. Even numbers can be partitioned into two odd parts or two even parts; odd numbers can be partitioned into one odd part and one even part.

**Teaching point 4:**Each of the numbers six to ten can be partitioned in different ways. The numbers six to ten can be partitioned in a systematic way.

**Teaching point 5:**Each of the numbers six to ten can be partitioned into two parts; if we know one part, we can find the other part.