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.
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).
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