Oklahoma Academic Standards
OK.6.N. Number & Operations (N)
6.N.3. Understand the concept of ratio and its relationship to fractions and percents and to the multiplication and division of whole numbers. Use ratios to solve real-world and mathematical problems.
6.N.3.1. Identify and use ratios to compare quantities. Recognize that multiplicative comparison and additive comparison are different.
6.N.3.3. Apply the relationship between ratios, equivalent fractions and percents to solve problems in various contexts, including those involving mixture and concentrations.