Ratios, Rates and Proportions
Equivalent ratios, unit rates, proportional reasoning, and best-buy problems.
24/24 units complete · 177 records
Ratio Concepts and Comparison
This subtopic covers what ratios mean, how they are represented, and how ratios are compared across contexts.
Unit Rates and Rate Interpretation
This subtopic covers rates as comparisons of unlike quantities and the use of unit rates to interpret and solve problems.
Equivalent Ratios and Proportions
This subtopic covers scaling ratios, testing proportion equivalence, and reasoning with proportion statements.
Percent Bridges and Conversions
This subtopic covers percent as a ratio out of 100 and bridges among percent, fraction, decimal, and ratio forms.
Proportional Modeling and Optimization
This subtopic covers setting up proportional relationships in applied situations, including constrained optimization driven by ratio-based cost models.