Use these colorful PDFs to assess students' prior knowledge of mean, median, mode and range.
Consider counting off by 4's, and asking each student to complete one organizer individually, knowing they will group with others who worked on the same term after a few minutes.
Then, group students in "expert groups" of students who all had the same term, to hear one another's ideas and add to each organizer.
Finally, consider having a representative from each group present his/her organizer to