This Problem Set is a part of the Lesson 16, Unit 4, Grade 5. In this lesson, students begin applying their understanding of a fraction multiplied by a fraction in context. They use tape diagrams to model multi-step problems. For example, they determine the number of cupcakes that have vanilla frosting, given that there are 30 cupcakes, 1/5 of the cupcakes have mint icing, and 1/2 of the remaining cupcakes will have chocolate icing.