National Council of Teachers of Mathematics
Nctm: Illuminations: Mean and Median
This applet allows the user to investigate the mean, median, and box-and-whisker plot for a set of data that they create.
Cuemath
Cuemath: Measures of Central Tendency
A comprehensive guide for learning all about measures of central tendency with definitions of mean, median, and mode, solved examples, and practice questions.
Other
Tulpehocken Area School District: Graphing and Analyzing Scientific Data
Student worksheet with explanation of pie, bar, and line graphs, the parts of a graph, and the definition of mean, median, and mode. This summary is followed by an exercise for each type of graph within a scientific context.
Math Aids
Math Aids: Mean Mode Median Worksheets
Great resource to practice and strengthen math skills pertaining to mean, mode, and median. Math worksheets are printable, may be customized, and include answer keys.
Better Lesson
Better Lesson: What Does the Data Tell Us? Describing Data
Understanding how to interpret data by its shape, spread, and center helps students to understand statistics.