Where do I check how many skills I've mastered?

Hello, Josué!

You can find how many skills you already mastered in math right over here:

https://www.khanacademy.org/mission/math

Best,

Leo Maykell.

it dosen't work it says:

quests are no longer available

is there another way to see how many skills i mastered?

That's what I am wondering, I want to earn some sun badges

same here.

Me too

me to brother'