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**Terminology**

A

*ruler*used to be called a

*rule*, and

*rulers*would be

*rules*. Today, the more commonly found term is

*ruler*. The dictionary defines both the term

*rule*and

*ruler*, so either can be used, and for this document I will only use the term

*ruler*.

**Metric Rulers**

Metric rulers are fairly

easy to read. They deal with centimeters and millimeters only. You wont have to worry much about fractions.

Take a look at the following Metric Ruler.

The longer lines labled with numbers are centimeters, and the shorter lines are millimeters. Since millimeters are 1/10th of a centimeter, if you measure 7 marks after a centimeter, it is 1.7 centimeters long.

English rulers, are much more difficult to read. Mostly because they deal with fractions, which are a bit

more difficult to learn.

Take a look at the following English Rulers.

**English Rulers**English rulers, are much more difficult to read. Mostly because they deal with fractions, which are a bit

more difficult to learn.

Take a look at the following English Rulers.

A ruler marked in 8ths. Every mark is 1/8th of an inch.

A ruler marked in 16ths. Every mark is 1/16th of an inch.

When marking down a distance from a ruler, mark the whole inch, followed by a space, then the fraction of an inch.

For example, 1 1/2, or 2 3/8.

When entering fractions into the conversion calculators, you have to seperate the whole number and the fraction with a + sign.

For example, 1+1/2, or 2+3/8.

This information can be found @ OnlineConversion.com

If you need a printable ruler click http://www.vendian.org/mncharity/dir3/paper_rulers/

For example, 1 1/2, or 2 3/8.

When entering fractions into the conversion calculators, you have to seperate the whole number and the fraction with a + sign.

For example, 1+1/2, or 2+3/8.

This information can be found @ OnlineConversion.com

If you need a printable ruler click http://www.vendian.org/mncharity/dir3/paper_rulers/

Architecture * Balsa Wood Bridge Contest * Coding * Tabletop Cornhole Boards * CO2 Cars * Current Events HW

Digital Art * Drafting Fundamentals * Egg Drop Challenge * Electronics/Soldering * Flight Project *

Game Engineering * Greeting Card Design * How to Read a Ruler * Manufacturing *

Mousetrap Vehicles * Penny Tower Challenge * Ping Pong Ball Projectiles * Photoshop * Pivot Animation *

Rocketry * Roller Coaster Design * Rube Goldberg/Simple Machines * Smart Phone Speakers *

Theme Park Design * West Point Bridge Designer * Wooden Tower Contest * Woodworking Projects

Digital Art * Drafting Fundamentals * Egg Drop Challenge * Electronics/Soldering * Flight Project *

Game Engineering * Greeting Card Design * How to Read a Ruler * Manufacturing *

Mousetrap Vehicles * Penny Tower Challenge * Ping Pong Ball Projectiles * Photoshop * Pivot Animation *

Rocketry * Roller Coaster Design * Rube Goldberg/Simple Machines * Smart Phone Speakers *

Theme Park Design * West Point Bridge Designer * Wooden Tower Contest * Woodworking Projects