Topic B: Division as an unknown factor problem

Topic B includes lessons 4-6. "Understand the meaning of the unknown as the size of the group in division. Understand the meaning of the unknown as the number of groups in division. Interpret the unknown in division using the array model." Eureka Math/EngageNY (c) 2015 GreatMinds.org

Division as equal groups

Division with groups of objects

Visualizing division with arrays

Division with arrays

Divide with visuals

Division in context

Division in contexts