Mental Calculation
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problemFavouriteMultiply Multiples 1
Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?
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problemFavouriteMultiply Multiples 2
Can you work out some different ways to balance this equation?
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problemFavouriteMultiply Multiples 3
Have a go at balancing this equation. Can you find different ways of doing it?
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problemFavouritePicture Your Method
Can you match these calculation methods to their visual representations?
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problemFavouriteCompare the Calculations
Can you put these four calculations into order of difficulty? How did you decide?
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problemFavouriteAn Easy Way to Multiply by 10?
Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
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problemFavouriteDigit Discovery
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
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problemFavouriteFour 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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problemFavouriteClimbing Conundrum
Five children are taking part in a climbing competition with three parts, where their score for each part will be multiplied together. Can you see how the leaderboard will change depending on what happens in the final climb of the competition?