Well, it turns out that I still have posts in my drafts folder from last year. I guess I should do something about that. The Skill: Comparing Data Sets The Topic: Ages of Academy Award Winners The Introduction: Ask students what they expect to happen. This was a difficult task for my students. It turns …

# Stem and Leaf Plots

While looking through Don Steward’s blog for data collection ideas, I ran across the idea of a “blind stork test.” The idea is simple. Close your eyes and see how long you can stand on one leg. Don Steward claims that most people can’t last more than one minute. As with my Estimating 30 Seconds …

I used this estimating 30 seconds data collection activity with my Algebra 1 students, and it turned out to be a ton of fun. How well can you estimate 30 seconds? This is the question I posed to my Algebra 1 students a couple of weeks ago as part of our unit on data analysis. …

I created this types of data displays foldable for my Algebra 1 students to review bar graphs, stem-and-leaf graphs, box-and-whisker plots, and circle graphs. My Algebra 1 classes recently started their last unit of the year: Data Analysis and Probability. They will take their end-of-instruction exam on April 11th, so the rush is on to …