1
One more
One more than 7 is __.
How to think about it: Read the digits and place-value clues carefully. Work one place at a time, then use the number pattern or inverse fact to check the result. Use a counter if helpful.
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Answer: 8
Year 1 One More and One Less: Worked Examples
See free Year 1 one more and one less worked examples with clear strategies and answers, aligned to the England primary curriculum.
Four worked examples
Try each question first, then compare the strategy and answer. The aim is to understand the method, not just copy the final result.
2
One less
One less than 12 is __.
How to think about it: Read the digits and place-value clues carefully. Work one place at a time, then use the number pattern or inverse fact to check the result. Say the number aloud if that makes the structure clearer.
Show answer
Answer: 11
3
Before
What number comes before 20?
How to think about it: Read the digits and place-value clues carefully. Work one place at a time, then use the number pattern or inverse fact to check the result. Say the number aloud if that makes the structure clearer.
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Answer: 19
4
After
What number comes after 39?
How to think about it: Read the digits and place-value clues carefully. Work one place at a time, then use the number pattern or inverse fact to check the result. Say the number aloud if that makes the structure clearer.
Show answer
Answer: 40