American Statistical Association
Happy Birthday to . . . Two?
How many people do you need in a room before two likely share the same birthday? Scholars consider this puzzle by analyzing a set of data. They ponder how to divide the data and determine the proper size of a group for this event to...
Illustrative Mathematics
Sports Equipment Set
Many learners like to play sports and the equipment that goes with it costs money. The resource sets up an inequality that gives a total amount needed to purchase the equipment and the initial amount of money already obtained. In order...
K20 LEARN
Let's Lasso the Moon: Phases of the Moon
A timelapse video hooks learners' attention to the phases of the moon. After discussing their observations, pupils use the Moon Giant website to view the moon on their birthday and complete a bar graph. The class creates an anchor chart...
Willow Tree
Scatterplots and Stem-and-Leaf Plots
Is there a correlation between the number of cats you own and your age? Use a scatter plot to analyze these correlation questions. Learners plot data and look for positive, negative, or no correlation, then create stem-and-leaf plots to...
Curated OER
Texas Commemorative Maps: Honoring Our Past
To celebrate Texas, groups plan and create a commemorative map for a topic or theme in Texas history. The richly detailed plan and the approach could easily be adapted to any state. Samples are included.
Blake Education
Harry Potter and the Philosopher’s Stone
The motto for Hogwarts School of Witchcraft and Wizardry warns that one should never tickle a sleeping dragon, but learners will definitely be tickled by the activities in a packet of materials designed to accompany a reading of the...