Curated OER
Bubble and Boyle
Middle-schoolers still enjoy playing with bubbles! In this series of eight laboratory activities, science learners explore convex and concave surfaces, angles, gas laws, buoyancy, density and more!
Curated OER
Inflection Points
For this inflection points worksheet, 11th graders solve and complete 5 different problems. First, they find intervals of x for which each of the following curves is increasing, decreasing, concave upward, concave downward. Then,...
Khan Academy
Khan Academy: Algebra I: Compare Quadratic Functions
Compare the properties of two quadratic functions, each represented in a different way. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
CK-12 Foundation
Ck 12: Interactive Geometry: 1.3 Polygons
Explore the structure and measurement of polygons.