North Dakota Academic Content Standards
ND.6.RP. Ratios and Proportional Relationships
Understand ratio concepts and use ratio reasoning to solve problems.
6.RP.3. Use tables of equivalent ratios, tape diagrams, double number line diagrams, and equations to reason about ratios and rates in real world and mathematical problems.
6.RP.3.c. Find a percent of a quantity as a rate per 100. Solve problems involving finding the whole, given a part and the percent.