Sets 1 In this lesson you will learn how to define and mustrate a well-defined se identify the elements of the given met What's In Group and label the objects below according to their characteristics. W answer on a separate sheet of paper. 4 fter you label and group the objects, answer the following questions: a. Why did you group the object as such? b. How many groups are there? c. What are the names of the groups created? Notes to the Teacher This activity will guide you to let the students describe and illustrate the set.