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One more and one less within ten - Teacher Talks: Video playlist - BBC Bitesize
A number line can be used to count one more and one less than a number.
↗ https://www.bbc.co.uk/bitesize/topics/zqpwrmn/watch/zbw3h4jA number line can be used to count one more and one less than a number.
↗ https://www.bbc.co.uk/bitesize/topics/zqpwrmn/watch/zbw3h4j