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.)
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