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Developing number fluency - what, why and how
In this article for primary teachers, Lynne McClure outlines what is meant by fluency in the context of number and explains how our selection of NRICH tasks can help.
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Strike it out
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
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Pairs of numbers
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?
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Totality
This is an adding game for two players. Can you be the first to reach the target?
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Shape times shape
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
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Four go
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
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Mystery matrix
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.