I believe it is math problems epically if you have a math test coming up  this is percect for energy  points and studying

1. Közösség
2. General Khan Academy Questions
3. What is the Fastest Way to Earn Energy Points?

MIne is leafers green one with 50,000 points I'l change it to that once I get that much. 

1. Közösség
2. Positive Stories and Testimonials
3. Amelia is my most favorite Avatar what is yours?