Without different ways to measure things in this world life would be a lot more difficult. If you stop and think about it I bet there is innumerable times a day when you are measuring things without even thinking about it. The most recent math lesson article at educationbug.org discusses different types of measurements and conversions of measurements.
There you will also find a new grammar lesson article on synonyms. Synonyms are words that have a similar meaning, but do not neccessarily look alike or sound alike. Words like big, huge, enormous, and large are all synonyms of one another. There are also different types of synonyms. Take a look at the article and you will find some interesting information on synonyms.