If you are looking for an easy way to teach your students how to read and measure with a standard and/or metric ruler, this is without a doubt something you need in your classroom!Rulers just never seem to be big enough when teaching students how to read and use them! I decided that enough was enough and made an 8' 8" ruler that anyone can print out and put anywhere in their classroom that they would like! This ruler comes with a set of colored arrows, so that you can move them daily and chall