Khan Academy Static

Topic_D_Percents

Topic D includes lessons 24-29 and covers percent and rates per 100, a fraction as a percent, percent of a quantity, and solving percent problems.

Topic_A_Representing_and_reasoning_about_ratios

Topic A includes lessons 1-8 and covers ratios, equivalent ratios, solving problems by finding equivalent ratios, associated ratios and the value of a ratio, and equivalent ratios defined through the value of a ratio.

Topic_B_Collections_of_equivalent_ratios

Topic B includes lessons 9-15 and covers tables of equivalent ratios, the structure of ratio tables—additive and multiplicative, comparing ratios using ratio tables, from ratio tables to double number line diagrams, from ratio tables to equations using the value of the ratio, from ratio tables, equations, and double number line diagrams to plots on the coordinate plane, and a synthesis of representations of equivalent ratio collections. (Currently, we do not have content for Lessons 12-15.)

Topic_C_Unit_rates

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.