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.
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 comes 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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Starter quiz
6 Questions
47
56
65
74
Exit quiz
6 Questions
46
48
50
