LESSON SET
Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions Created by Ryan Reardon
teaches
Common Core State Standards
CCSS.Math.Content.5.NF.A.2
http://corestandards.org/Math/Content/5/NF/A/2