Check back every Wednesday to see who has mastered the most math skills on Khan Academy in the last 7 days.
1. Belinda Castro (27)*
2. Carolina Mora (21)*
3. Frank Hernandez (19)*
4. Daniel Perez (18)*
5. Julian Rodriguez (12)*
Earn your way to the top! Click here to find out how.
*Indicates number of skills mastered within the last 7 days