We don't deal with any kind of math of this nature in upper elementary, but that doesn't preclude me from creating a poster for how to deal with percent and proportions. Deceptively simple, the Proportion Method is used as a strategy to solving word problems where these types of problems live and breath. CCSS.MATH.CONTENT.6.RP.A.3.C Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part an