Think, Tell, Share—Success for Students

As part of a continuing effort in data analysis, Mr. Denis presented a ride-to-the-park graph (fig. 1) to his middle school students and checked their understanding of the way the data were entered. “What do the numbers across the bottom of the graph tell us about Alba's ride? What about those in the left-hand column? [Pointing to (9, 6)] This point is not above any number. What does it represent?”