# Partition Numbers (to 1000)

Lesson

When we write a number, each digit stands for a different value. When we partition a number, we break it up into these different parts. Can you see the word 'part' in partition? By breaking a number into parts, we can do things like share the number, by sharing each part separately.

Have a look at this video to see some different ways to break up a number, as well as an example showing you how you might use these new parts of your number.

#### Worked Examples

##### question 1

Fill in the box with the missing number.

1. $394=4+\editable{}$394=4+

##### question 2

Express $627$627 in expanded form. For example, $145$145 in expanded form is equal to $100+40+5$100+40+5.

##### question 3

We have written a number in the number expander below.

 Number Expander: $5$5 Tens $6$6 Units
1. What is the value of the units?

2. What is the value of the tens?

3. Now look at the number $89$89. What is the value of the tens?

### Outcomes

#### NA2-2

Know forward and backward counting sequences with whole numbers to at least 1000.

#### NA2-4

Know how many ones, tens, and hundreds are in whole numbers to at least 1000.

#### NA2-7

Generalise that whole numbers can be partitioned in many ways