Topic B includes lessons 7-11. "Use the Area Model and Multiplication to Show the Equivalence of Two Fractions, Use the Area Model and Division to Show the Equivalence of Two Fractions, Explain Fraction Equivalence Using a Tape Diagram and the Number Line, and Relate that to the Use of Multiplication and Division" Eureka Math/EngageNY (c) 2015 GreatMinds.org