This Instructional Activity is a part of the Lesson 4, Unit 5, Grade 7. The given example is a chance experiment similar to those conducted in Lesson 2. The experiment requires a brown paper bag that contains yellow, green, red, and blue cubes. Unifix cubes work well for this experiment. In the experiment, cubes are drawn at random and with replacement. After each cube is drawn, students record the outcome in the table.