Khan Academy Static

Topic C includes lessons 16-23 and covers from ratios to rates, from rates to ratios, finding a rate by dividing two quantities, comparison shopping—unit price and related measurement conversions. getting the job done—speed, work, and measurement units, and problem solving using rates, unit rates, and conversions.

9017_Intro_to_rates.html

9020_Comparing_rates_example.html

9019_Solving_unit_price_problem.html

9018_Solving_unit_rate_problem.html