Inch – Definition with Examples

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What is an Inch?

An inch can be defined as a unit of length in the customary system of measurement. Length in inches is either represented by in or ‘’. For instance, 5 inches can be written as 16 in or 16’’. 

An inch is equal to  


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yard and

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of a foot
An inch in metric system is exactly 2.54 cms. 

There are two half inches and four quarter inches in one whole inch.

Inches, half inch and quarter inch on a ruler
Fun Facts
– A penny is about
 
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 of an inch across, while a quarter is just slightly less than 1 inch.

let's sing Let’s sing!

Length of the old tree so tall,
Or the height of the broken wall,
Or the length of a ribbon so small.
With an inch of tape, we measure them all!

let's do it Let’s do it!

Give your child sticks, straws, and ribbons of different measures. Ask them to use the ruler correctly and note the length of each in inches. Explain how much a quarter or half-inch measures. 

related math vocabulary Related Math Vocabulary

RulerMeasuring Tape


Inch – Definition with Examples

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