What number is 10 less than 10?

When solving a question like "What number is 10 less than 10?", take a close look at what it is really asking.

You have the number 10 and you are looking for a number that is 10 less than 10. In other words, if you have 10 and take away 10, then how many do you have?

You guessed it! This is a subtraction problem. 10 is the minuend and 10 is subtrahend and the answer we are looking for is the difference.

Therefore, to solve "What number is 10 less than 10?", you subtract 10 from 10 like so:

10 - 10 = 0

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