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If you're looking to sharpen your skills in math and sciences, Khan Academy has a great selection of topics.

Its short video lessons are engaging, with lots of incentives to keep moving through a subject. Khan Academy's mission of providing free world-class education is commendable. Except for a handful of US, world, and art history courses, Khan Academy puts most of its efforts into math and sciences. Consįocus on STEM subjects: If - god help you - you're looking to expand your liberal arts skills, Khan Academy may not be much help. Global reach: Khan Academy also translated lessons into 36 languages, making its world-class learning global. Learn on the go: Khan Academy has Android and iOS apps that provide a similar learning experience to the browser version, with videos and exercises. Gamified: As you move through lessons and exercises, you can monitor your progress and earn badges, patches, and points to show off to other Khan Academy students. The videos are closed-captioned and come with a transcription and accompanying questions and quizzes to help you practice what you just learned. Prosįocus on STEM subjects: With the US education system's focus on STEM (Science, Technology, Engineering, and Mathematics), Khan Academy's attention to the same subjects across grades and disciplines is a helpful way to enforce at home what goes on in the classroom.Įngaging lessons: The video lessons are short and appealing - with the narrator drawing on an electronic blackboard to illustrate concepts as he or she speaks. Khan Academy's engaging online video learning covers everything from lessons on mathematics and preparing for standardized tests to mastering personal finance - all for free.