Ruler Measurement

Ruler Measurement

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Take a look at the following English Rulers.

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

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

The center mark between numbers is 1/2.

 

The red lines on these rulers are marked at 1/2, and 1.

Ruler Marked in 1/2s

Ruler Marked in 1/2s

The next smallest marks on a ruler are 1/4ths.

The red marks on these rulers are at 1/4, 1/2, 3/4, and 1. (1/2 is the same as 2/4)

Ruler marked in 1/4ths

Ruler marked in 1/4ths

The next smallest marks on a ruler are 1/8ths.

The red marks on these rulers are at 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, and 1.

Ruler marked in 1/8ths

Ruler marked in 1/8ths

The next smallest mark, if there are any, are 1/16ths.

The red marks on this ruler are at 1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, and 1.

Ruler marked in 1/16ths

 

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