# Explain that the digits in the numbers 11 to 19 express quantity

I can explain that the digits in the numbers 11 to 19 express quantity.

# Explain that the digits in the numbers 11 to 19 express quantity

I can explain that the digits in the numbers 11 to 19 express quantity.

## Lesson details

### Key learning points

- The digits in the numbers 11-19 tell us about their value.
- The teen numbers are between 10 and 20
- The teen numbers can be represented as ten and a bit.
- We can say there is one ten and --- ones.

### Common misconception

Pupils confuse e.g. 18 and 80 because they sound similar.

Take time to emphasise the pronunciation of the teen numbers and provide lots of opportunities for pupils to say and repeat the words. You may wish to practise the teen and decade numbers side by side so pupils can hear the difference.

### Keywords

Teen numbers - A number made of a ten (a group of 10 ones) and some additional ones.

Tens - A ten is a group of 10 ones.

Ones - Individual objects, grouped in ones.

### 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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