HOME
A-Z Listing
Math Menu
Number & Algebra
Shape, Space & Measures
Geometry
Handling Data
Puzzles
Puzzles & Quizzes
Calculators
TI Calculators
Other Bits
Math Forum
Contact Us
About Us
Privacy Statement
Cite this page
Contribute item
Copyright © 2006
MathsIsFun.com
Definitions
->
R
-> Ruler
Ruler
A ruler is something used to measure distances or to rule straight lines.
This ruler is marked in cm along the top and inches along the bottom.