Place value

There are 140 NRICH Mathematical resources connected to Place value
More Less is More
problem
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More less is more

Age
7 to 14
Challenge level
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In each of these games, you will need a little bit of luck, and your knowledge of place value to develop a winning strategy.
An Easy Way to Multiply by 10?
problem
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An easy way to multiply by 10?

Age
7 to 11
Challenge level
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Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
Less is More
problem
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Less is more

Age
7 to 11
Challenge level
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Use your knowledge of place value to try to win this game. How will you maximise your score?
Digit Addition
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Digit addition

Age
5 to 11
Challenge level
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Try out this number trick. What happens with different starting numbers? What do you notice?

The Number Jumbler
problem
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The number jumbler

Age
7 to 14
Challenge level
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The Number Jumbler can always work out your chosen symbol. Can you work out how?
Reversals
problem
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Reversals

Age
11 to 14
Challenge level
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Where should you start, if you want to finish back where you started?
Forwards Add Backwards
problem
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Forwards add backwards

Age
11 to 14
Challenge level
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What happens when you add a three digit number to its reverse?
Add to 200
problem
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Add to 200

Age
11 to 14
Challenge level
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By selecting digits for an addition grid, what targets can you make?
Multiply Multiples 3
problem
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Multiply multiples 3

Age
7 to 11
Challenge level
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Have a go at balancing this equation. Can you find different ways of doing it?
Round the Dice Decimals 1
problem
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Round the dice decimals 1

Age
7 to 11
Challenge level
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Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?