This activity includes 30 percent of change quiz, quiz, trade cards. There are percent of increase, percent of decrease and percent of error problems included. I have also included an answer sheet for students to show their work if needed. I have also included an interactive notebook page with the examples I used in my class. I have also included the worksheet I used for a guessing activity to practice percent error. The students really enjoyed all of the activities! This KAGAN strategy is a