How to subtract using partitioning
To partition a number using place values is to split it into tens and units etc. as appropriate, to use partitioning for subtraction you split the number being subtracted into tens and units then subtract the units from the given number to create a new number, then you subtract the tens from the new number to get the final answer.
53 - 15
subtract units 53 - 5 = 48
subtract tens 48 - 10 = 38
answer = 38
Check your answers using your calculator.
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Subtract these numbers using partitioning