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Wide Open School
Common Sense - Wide Open School

Wide Open School is a free and open collection of online learning activities for PreK-12th grade students and families. It includes the subject areas of Science, Math, Social Studies, Reading, and Writing.

Khan Academy: High School Geometry
Khan Academy

Learn high school geometry for free—transformations, congruence, similarity, trigonometry, analytic geometry, and more.

Khan Academy: AP®︎/College Physics 2
Khan Academy

AP®︎/College Physics 2 · Course summary: Fluids. Thermodynamics, Electric charge, field, and potential, Circuits, Magnetic forces, magnetic fields, and more.

Khan Academy: Algebra 2
Khan Academy

Course summary:  Polynomial arithmetic · Complex numbers · Polynomial factorization · Polynomial division · Polynomial graphs · Rational exponents and more.

Khan Academy: Computers and the Internet
Khan Academy

Learn the basics of how computers and the Internet work in these videos from our friends at Code.org.

Khan Academy: Trigonometry
Khan Academy

Learn trigonometry for free—right triangles, the unit circle, graphs, identities, and more.

Khan Academy: Cosmology and Astronomy
Khan Academy

It’s a great, big universe out there. In this section of Khan Academy, you’ll learn about the brain-bending vastness of time and space.

Khan Academy
Khan Academy

Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.

Khan Academy: AP®︎/College Calculus AB
Khan Academy

Learn AP®︎ Calculus AB for free—everything you need to know about limits, derivatives, and integrals to pass the AP® test.

Khan Academy: Electrical Engineering
Khan Academy

Learn about electricity, circuit theory, and introductory electronics.

Khan Academy: AP/College Chemistry
Khan Academy

This course has videos and articles covering many of the topics in AP Chemistry. 

Khan Academy: AP®︎/College Calculus BC
Khan Academy

Learn AP®︎ Calculus BC for free—everything from AP®︎ Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP®︎ test.