Description:
The following material contains original, as well as adapted CK12 material. The readability has been adjusted, as well as depth of concept to meet the needs of a fourth grade student. Milt Huling Ph.D. (Author & Editor). Except as otherwise noted, all CK-12 Content (including CK-12 Curriculum Material) is made available to Users in accordance with the Creative Commons Attribution/Non-Commercial/Share Alike 3.0 Unported (CC BY-NC-SA) License (http://creativecommons.org/licenses/by-nc-sa/3.0/), as amended and updated by Creative Commons from time to time (the “CC License”), which is incorporated herein by this reference. Complete terms can be found at /terms. /saythanks
Created by: Dr. Milton Huling