Measurement

When you visit a grocery shop and ask for a kilogram of sugar,the shopkeeper puts a certain iron block marked 1kg on one pan of a balance and puts sugar on the other.We add or remove sugar till both balanced.This is measurement.Measurement is the comparison of an unknown quantity with a known quantity.Here,sugar is the unknown quantity.It is compared to the known quantity of 1kg block.Measurement is needed in our day to day life.Your school starts at a certain time.It ends at a contain time.It takes a certain number of kilometers for you to reach the school from your house.The tailor demands a certain length of cloth to stitch your school shirt.These are all based on measurement.Life would be confusing without measurement.In olden times people used simple methods of measurement like heath manna,path,Narnia to name a few.These are local methods of measurement.