Based off of the hit television show NUMB3RS, this lesson introduces students to critical path analysis (CPA), in which tasks are broken into subtasks with prerequisites. In such a situation, subtasks must be completed in a certain order...

This StudyCard stack uses real-world contexts to teach the concepts of independent and dependent variables, and then domain and range. It includes practical examples at the end.

Students learn to use manipulatives and calculators to explore what happens when they change one number at a time in an addition number sentence. They record and develop the pattern that develops.

This activity uses the graphing calculator and the CBR(tm) to determine how far a baseball will travel and if it would be a homerun at a Major League baseball game. This activity uses differential equations to determine the distance...

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about titanium- element number 22, which is a light and strong metal. [8:31]

This is a site which explains the inner workings of Lasers. The site is detailed in its explanations but is easily understood at the junior and senior high school level.

Wonderful PDF files of various tablets found at the Temple of the Inscriptions in the ancient Maya city-state of Palenque.

In this activity, students' will collect and analyze motion data in order to determine the solution to a linear system of equations. They graph two motions on a common axis and find their intersection.

Wonderful PDF files of various tablets found at the Temple of the Inscriptions in the ancient Maya city-state of Palenque.