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Adding three small numbers by counting on - Number and number processes: Video playlist - BBC Bitesize
How to add three small numbers by counting on.
↗ https://www.bbc.co.uk/bitesize/topics/zm982hv/watch/zfjfy9qHow to add three small numbers by counting on.
↗ https://www.bbc.co.uk/bitesize/topics/zm982hv/watch/zfjfy9q