Addition and subtraction
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problemFavouriteDicey Addition
In these addition games, you'll need to think strategically to get closest to the target.
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problemFavouriteHalf Time
What could the half time scores have been in these Olympic hockey matches?
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problemFavouriteTake Three Numbers
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
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problemFavouriteOrdering Cards
This problem is designed to help children to learn, and to use, the two and three times tables.
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problemFavouriteDoing and Undoing
An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.
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interactivityFavouriteInteractive Balance
In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
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problemFavouriteThe Puzzling Sweet Shop
There were cola bottles for 2p, mini eggs for 3p, marshmallow twists for 5p and lollipops for 7p in the sweet shop. What could each of the children buy with their money?
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problemFavouriteMake 37
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?