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Lesson Plan
Curated OER

Bubble and Boyle

For Teachers 6th - 8th
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! 
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Worksheet
Curated OER

Inflection Points

For Students 11th
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,...
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Unknown Type
Khan Academy

Khan Academy: Algebra I: Compare Quadratic Functions

For Students 9th - 10th
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.
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eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.3 Polygons

For Students 9th - 10th
Explore the structure and measurement of polygons.