Many phenomena in life are periodic in nature. A task-based lesson asks scholars to explore one of these phenomena. They collect data showing the sunrise time of a specific location over the period of a year. Using the data, they create...

How many birthdays do leap year babies have in a lifetime? Learners explore the question among others in a lesson focused on different calendar systems. Given explanations of the Julian, Gregorian, and Martian calendars, individuals use...

In this graphs learning exercise, high schoolers solve 4 problems about histograms, bar graphs, and tables.  Students answer questions about histograms, bar graphs, and tables.

In this Algebra II/Pre-Calculus instructional activity, students solve problems that involve the applications of logs and exponentials.  The eight page instructional activity contains seventeen problems.  Answers are not...