Download videos for offline viewing, try our massive library of interactive exercises, bookmark things to study later, and complete assignments from your classes! Your progress stays in …

2024年8月13日 · Whether you're a student, teacher, homeschooler, principal, adult returning to the classroom after 20 years, or a friendly alien trying to get a leg up in earthly biology — Khan …

Download videos for offline viewing, try our massive library of interactive exercises, bookmark things to study later, and complete assignments from your classes! Your progress stays in …

Khan Academy is an education app for everyone—whether you’re a parent helping your first grader with geometry or a postgrad looking for a deep dive into microfinance. If there’s a topic …

2018年5月30日 · Download and install 4K Downloader (available for Windows, Mac, Linux). Copy YouTube URL of the video and paste the YouTube URL into 4KDownloader. Select the …

2024年8月13日 · Khan Academy is a free learning app for Class 1-12 students with videos, exercises and tests for math, science and more subjects. Our content is aligned to NCERT …

Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. …

Log in to Khan Academy to get started! What is your date of birth? Already have an account? Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a …

2025年1月24日 · Khan Academy Kids is a free educational app for children ages 2-8. The Khan Kids library includes thousands of kids books, reading games, math activities and more. Best …

2025年1月26日 · If you will be without an Internet connection only temporarily, a good option would be downloading the videos on the Khan Academy app so that you can watch them while …