This Problem Set is a part of the Lesson 12, Unit 1, Grade 3. In this lesson, students continue learning to use tape diagrams to distinguish division situations where the quotient represents the size of each group (for example, "Two students equally share 8 crackers. How many crackers does each student get? "), and situations where the quotient represents the number of groups (for example, "Rosie has 8 lemon slices and puts 2 slices in each cup of iced tea.