Stem-and-Leaf Plots on Candy Prices

Students use real-world pricing data to compare candy costs across two stores with back-to-back stem-and-leaf plots and data-science practices, analyzing distributions by identifying median and range.

Data and Resources

Additional Info

Field Value
Subject Area Mathematics
Grade Band 6-8
Technology Tool CODAP
Class Time Estimate 2
Data Science Focus
  • 6-8.C.2.2a Represent the variability of numerical variables using appropriate displays (e.g., dotplots, boxplots).
  • 6-8.C.3.2a Use visualizations (e.g., box plots) to compare variability across datasets.
Standards Alignment
  • 6.SP.A.1
  • 6.SP.A.2
  • 6.SP.A.3
Prerequisites Rounding and ordering decimals; place value (ones/tenths); intro familiarity with stem-and-leaf plots; median and range.
Version 1.0
Date Created July 8, 2026
Last Updated July 8, 2026