# Find missing numbers between 20 and 100

I can use a range of strategies to help find missing numbers on a number track.

# Find missing numbers between 20 and 100

I can use a range of strategies to help find missing numbers on a number track.

## Slide deck

## Lesson details

### Key learning points

- You can find missing numbers on number tracks in different ways.
- You can count forwards or backwards to find a number.
- You can look at the number before or after the missing number to help find it.
- You can find missing numbers on a number track by looking at the numbers it come between.
- You can use the patterns in numbers to work out new facts.

### Common misconception

Difficulty finding missing numbers when more than one number missing is from a number track.

Encourage and model how to visualise numbers using the numbers that can be seen.

### Keywords

After - A number that is after another comes later when you count.

Before - A number that is before another comes earlier when you count.

Between - A number that is between two others is in the space that separates them.

Strategy - A method chosen to find something out.

### 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

47

56

65

74

## Exit quiz

### 6 Questions

46

48

50