Section 3.2 Prealgebra
Read Section 3.2: Evaluating Algebraic Expressions, Pages 179-182. (10 minutes)
College of the Redwoods - 2013
Click https://www.redwoods.edu/Portals/121/PreAlgText/Prealgebra.pdf?ver=2016-02-09-153714-077 link to open resource.