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When we measure anything then we need a unit for measuring. There are two types of units non standard and standard. Suppose I measure a stick with my fingers such the stick is 10 fingers long then here finger is the unit but its non standard.
Meter is the standard unit of Length as If we measure same stick in meters then it might be as 1 meter long.
In this vide you will learn all about standard and non standard units of length with certain examples and explanations. Enjoy Math for kids series of Maths learning.