List

Number Facts

Totality
problem
Favourite

Totality

Age
5 to 11
Challenge level
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This is an adding game for two players. Can you be the first to reach the target?
Strike it out
problem
Favourite

Strike it out

Age
5 to 11
Challenge level
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Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Pairs of Numbers
problem
Favourite

Pairs of numbers

Age
5 to 7
Challenge level
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If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?