Check back every Wednesday to see who has mastered the most math skills on Khan Academy in the last 7 days.
1. Anahi Valenzuela (18)*
2. Gerardo Valenzuela (17)*
3. Belinda Castro (14)*
4. Erik Quinonez (11)*
5. Brian Hernandez (10)*
Earn your way to the top! Click here to find out how.
*Indicates number of skills mastered within the last 7 days.