Purple Math
Purplemath: Quartiles, Boxes, and Whiskers
Explains how to construct a simple box-and-whisker plot, and demonstrates the steps. Discusses quartiles and medians, shows how to find them, and explains how they relate to box-and-whisker plots.
Purple Math
Purplemath: Ratios
Explains the basic terminology and formatting of ratios, and demonstrates how to solve typical exercises.
Purple Math
Purplemath: Stem and Leaf Plots
Explains how to create a stem-and-leaf plot from a data set. Demonstrates how to format a clear stem-and-leaf plot.
Daily Teaching Tools
Daily Teaching Tools: Homework Tips for Teachers
This Daily Teaching Tools resource provides homework tips. These tips are geared toward teachers to help them assign a age-appropriate quantities that can be evaluated efficiently.