Who's Left?

This Who's Left? worksheet also includes:

If you're not right-handed, are you wrong-handed? Young statisticians calculate the percentage of left-handed people using a given data set in the assessment task. They plot data on a scatter plot and consider how the line of best fit relates to the data.

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Instructional Ideas

  • Have pupils include a point on the scatter plot to represent their own class
Classroom Considerations

  • Task requires graph paper
  • Learners need to have experience with scatter plots in addition to ratios, percents, and proportional reasoning
Pros

  • Simple context makes the material easy to understand
  • Teacher resource includes answer key and simple rubric (partial vs. full credit)
Cons

  • The way the task prompts individuals to find a trend line is not how it would be taught in a classroom situation