Lesson Plan: Stem-and-Leaf Plots Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to use a stem-and-leaf plot to organize data sets.


Students will be able to

  • construct a stem-and-leaf plot from a given data set, with stems of varying numbers of digits and/or decimal portions of the original data values,
  • analyze and interpret data given as a stem-and-leaf plot,
  • understand how to determine the total number of values in a given stem-and-leaf plot by counting the leaves.


Students should already be familiar with

  • data sets,
  • writing data values from least to greatest and from greatest to least.


Students will not cover

  • averages or ranges of data in a stem-and-leaf plot,
  • back-to-back stem-and-leaf plots,
  • other statistical diagrams, for example, pie charts.

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