
Length is
measured in
inches
feet
yards
miles 

12
inches = 1 foot 

3 feet
= 1 yard 

36
inches = 1 yard 

5,280
feet = 1 mile 

1,760
yards = 1 mile 
Tools of
Measurement 
Ruler 
The ruler is a standard
mathematical tool.
It is divided into twelve 1 inch units ( 12 inches). 
Yardstick 
The yardstick is a
standard mathematical tool.
It is divided into 36 inches or 3 feet. 

What
unit
would you use to measure these objects?

Measure
the length of a pencil in
inches. 

Measure
the length of a bicycle in
feet. 

Measure
the height of an apple in
inches. 

Measure
the length of a house in
yards. 

Measure
distance on a road in
miles. 

Measure
the length of a leaf in
inches. 

Remember: 
Choose the
correct
tool
and
unit
when measuring. 

Click on
the ruler for practice.
