Curated OER
Depression and Elevation Angles
In this angles activity, high schoolers utilize trigonometry to determine angles of elevation and depression. There are 7 questions and some contain pictures.
Curated OER
Algebra- Cell Phone Plans
Learners analyze graphs to compare cell phone plans. In this algebra lesson, students work together to analyze phone plans and report the best phone plan. Learners develop tables and graphs.
Curated OER
Graphing Inequalities
In this graphing inequalities worksheet, students create graphs of algebraic expressions containing inequalities. This two-page worksheet contains explanations and examples prior to the exercise. The first page is a contains...
Curated OER
Focusing Light With a Lens
Students experiment with a converging lens. They observe the image of an object through a lens. They determine the magnification of the lens.
Curated OER
The Corner Problem
Students explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...