| Geek of the week: mastery | |
|---|---|
| |
| Description | |
| Finish 5 mastery challenges in a week | |
| Details | |
| Type | 
|
| Energy point(s) awarded | 0 |
| Status | Retired |
| Disclosed? | |
| Repeating? | |
Geek of the week: mastery is a retired Moon badge. To earn it, the user had to complete 5 mastery challenges in a week. There was a chance that the user would not acquire the badge if the 5 finished mastery challenges were not in the same Math mission. This badge can be found here on Khan Academy.