# Comparing numbers to 20

You can compare groups using the the language 'more than', 'less than', 'fewer than' and 'the same as'.

# Comparing numbers to 20

You can compare groups using the the language 'more than', 'less than', 'fewer than' and 'the same as'.

## Slide deck

## Lesson details

### Key learning points

- Compare collections of up to 20 items.
- Use comparative language of more, less and fewer.
- Introduce the idea of one more and one less.
- Know that sets of objects can be the same or equal.

### Common misconception

Linking one more or one less than a number to the number after or before in the count.

Use objects to model one more being added or one being removed to show one less or fewer.

### Keywords

More than - A bigger set has more than a smaller set.

Less than - A smaller set has less than a larger set.

Fewer than - A smaller set has fewer than a larger set.

The same as - Sets can contain the same as each other having the same number of objects, actions or sounds.

Equal to - Sets can be equal to each other having the same number of objects, actions or sounds.

### 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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## Worksheet

## Starter quiz

### 6 Questions

## Exit quiz

### 6 Questions

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20

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