
Inch

Customary
Measurements
is another system of measurement used in the United States to describe
how long, how heavy, or how big something is. 
inch (in.) 
12
inches (in) = 1 foot (ft) 
An inch is about
the length from the tip of the thumb to the first knuckle.


A Ruler
is a Tool for Measuring Length 
The ruler is a standard
mathematical tool. Always
look carefully at the scale to determine if you are
measuring in inches or centimeters. 

You can use a ruler to
measure an object to the
nearest
inch, nearest
half inch,
and nearest quarter inch. 
Inch 

Half Inch 

Quarter Inch 


When measuring make
sure you line the start of the ruler with the beginning of the
object. 

Measure the fish to the nearest
half inch.
The fish measures about

1 
1 
inches. 
2 

Let's
Practice!
click
here
