129 as of June and July 2011.
Khan Academy was created in 2006.
By finishing 80 exercises with a streak of t 10 each.
Khan Academy is good.
To earn the Black Hole badges on Khan Academy, you need to complete all exercises within a mission. This requires mastery of all skills and concepts covered in that particular mission. Keep practicing and answering questions correctly to progress and earn the badge.
Videos offered by Khan Academy are available not only in English, but in many other different languages. For more information check out the Khan Academy website.
telsa= be proficient in 150 exercises atlas= earn 10,000,000 energy points
your gay
you have to pay
You can achieve Atlas by earning 150 proficient exercises and you can achieve Tesla by earning 10,000,000 (million) points. Enjoy!
There are approximately 70 chemistry videos available for free. Customers should note Khan Academy also has many other topics and videos available for free on there website.
Khan Academy offers over 2,000 videos on a wide range of subjects, from math to geography to banking to algebra. The videos are very easy to follow. There are also exercises to reinforce what you watch from the videos. A school in Los Altos is using Khan Academy. <http://www.losaltosonline.com/index.php?option=com_content&task=view&id=23582&Itemid=56> The students work at their own pace and with other students. Teachers and students alike believe it humanizes the classroom. The teacher can become the "coach" to the students on Khan Academy. The teacher can walk around and monitor how the students are doing and work with the student on a personal level with the knowledge they gained from Khan Academy's Exercise Progress Chart. The Exercise Progress chart shows whether the student is starting an exercise, proficient in it, or failing. The teacher can check how long the students are working, what they are working on, and what videos they are watching on the Activity section of Khan Academy. Khan Academy has also help me learn Trigonometry and many other subjects. Heck, I recommend it to you. <http://www.khanacademy.org/> Follow the link, enter your Gmail or Facebook and get started on the road of accelerated learning.
LeBron James and Khan Academy are working together to increase engagement in math and science to educate children.