Ruler Measurement
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.
The center mark between numbers is 1/2.
The red lines on these rulers are marked at 1/2, and 1.


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)


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.


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.


