# Show one more and one less than a number using representations

I can use representations to show that the number before a given number is one less and the number after a given number is one more.

# Show one more and one less than a number using representations

I can use representations to show that the number before a given number is one less and the number after a given number is one more.

## Slide deck

## Lesson details

### Key learning points

- The number before a given number is one less than it.
- The number after a given number is one more than it.
- A staircase of blocks can be used to highlight one more and one less.

### Common misconception

Children may confuse one more and one less, particularly when finding missing numbers.

Use the stem sentence ___ is one more / one less than ___ because it comes after / before it in our count.

### Keywords

One more - The number after a given number is one more than it.

One less - The number before a given number is one less than it.

Before - A number that is before another comes earlier in our count.

After - A number that is after another comes later in our count.

### 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

Loading...