Topic A includes lessons 1-6 and covers percent, part of a whole as a percent, comparing quantities with percent, percent increase and decrease, finding one hundred percent given another percent, and fluency with percents. (Currently, we do not have content for Lesson 5.)
Topic_D_Population_mixture_and_counting_problems_involving_percents_
Topic D includes lessons 16-18 and covers population problems, mixture problems, and counting problems.
Topic_B_Percent_problems_including_more_than_one_whole
Topic B includes lessons 7-11 and covers markup and markdown problems, percent error problems, problem solving when the percent changes, simple interest, and tax, commissions, fees, and other real-world percent problems. (Currently, we do not have content for Lessons 8 and 9.)
Topic C includes lessons 12-15 and covers the scale factor as a percent for a scale drawing, changing scales, computing actual lengths from a scale drawing, and solving area problems using scale drawings. (Currently, we do not have content for Lesson 12.)
All video content by Khan Academy is under their license: CC by NC SA
Website created using Khan Academy Static Downloader