M-Words

Here are clues to some mathematical words all beginning with the letter M. Can you figure out what they are? You can earn a trophy if you get at least 7 correct.

This M-word is the average value but sounds quite cruel.
This M-word is the least value and sounds like a very tiny mother!
This M-word is the most frequently occuring value (but has nothing to do with a freshly cut lawn).
This M-word is a unit of time. There are twelve of these in a year.
This M-word is the greatest value and sounds like a big mother!
This M-word is sixty seconds and there are sixty of them in an hour.
This M-word is the middle value when all of the values are arranged in order of size.
This M-word is 1760 yards long at the end of a smile!
This M-word is one hundred centimetres but take care you spell it correctly.
This M-word is a unit of measurement. There are ten of these in a centimetre.