Water pollution is everywhere, and pollutants range from oil to fertilizers. Bring the concept to life by demonstrating the difficulties in getting particular pollutants out of water.

In this activity, students analyze the location of the centroid and orthocenter for different triangles.

In this Derive activity, students determine the optimal location for a warehouse so that it is close to the center of a circle that passes through all the outlets of a store in the region.

Based off of the hit television show NUMB3RS, this lesson has students set up a search region for a yacht that sank into the ocean. Using cylindrical coordinates and a little trigonometry, students are able to block off a certain portion...

Teachers and students can find activities for the Southwest, the states of Texas, New Mexico, Arizona, and Oklahoma. The grade is based on the number of activities and the quality of work.

This activity is an application of integration. Students use calculus to find the area of a region and the volumes of solids generated by the region. They use the CAS of their TI-89 and calculus to determine the exact answers.

Students will choose a small region on the boundary of the Mandelbrot Set and create a graph of that smaller region.

Based off of the hit television show NUMB3RS, this lesson has students explore finding the centroid of an irregular polygon by finding the mean of the coordinates of the polygon's vertices. Further, students find the centroid given that...

This activity is an application of derivatives and of definite integrals. It introduces students to an interesting property of Quartics which students can verify using the CAS of their TI-89.

This application of derivatives and definite integrals introduces students to an interesting property of cubics and a method of proving that property using the TI-89 scripts. They then use the CAS of their TI-89 to generalize upon...

Based off of the hit television show NUMB3RS, this lesson is best used as an extension to linear programming in which the solutions to the proposed problem must be integers. The Branch and Bound method operates on the optimized point,...

Based off of the hit television show NUMB3RS, this lesson introduces students to Voronoi diagrams, which split a plane into regions corresponding to distances to given points. The lesson is framed in the context of splitting a city into...