Grade 6 - Ratios and Proportional Relationships
Standard 6.RP.A.3c - Find unit prices to determine which is the better buy.
Included Skills: Money
Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations. 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 and the percent.