Students work together to make figures out of tangram squares. In groups, they calculate the measurements they need and apply the Pythagorean Theorem. They complete a worksheet solving equations using the theorem and review their answers.

An urban planner needs your help in creating a scale drawing. Let's use our knowledge about scale factor, length, and area to assist. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

In this lesson, learners will construct a scale model of the Earth-Moon-Mars system.

Students are challenged to design, build and test small-scale launchers while they learn and follow the steps of the engineering design process. For the challenge, the "slingers" must be able to aim and launch Ping-Pong balls 20 feet...