# Use a bar model to represent a whole partitioned into two parts

I can use a bar model to represent the different ways of partitioning a number into two parts.

# Use a bar model to represent a whole partitioned into two parts

I can use a bar model to represent the different ways of partitioning a number into two parts.

## Lesson details

### Key learning points

- Partitioning can be represented using the bar model.
- There are ___ objects. ___ is the whole.
- There are ___ and ___. ___ is a part. ___ is a part.
- Combine the bars to form the full bar model, and compare this with the part-part-whole model.

### Common misconception

Children may not see the bar model as proportional, so may think that the parts are equal.

Encourage children to see that the bars are proportional to help them get a sense of the size of the parts and whole.

### Keywords

Partition - To split a whole up into parts.

Combine - To put parts together to make a whole.

Bar model - A bar model is a pictorial representation of a problem where bars are used to represent the known and unknown quantities.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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## Starter quiz

### 6 Questions

## Exit quiz

### 6 Questions

to split a whole up into parts.

to put the parts together to make the whole.