Mr. Windisch

1. Cộng đồng
2. News and Updates from Khan Academy
3. Update: Enjoy spiral review in our new Mastery Challenges!

Thank you for adding this. The Mastery Challenges were one of the things that kept me using the Missions with my students. Having them available in Course Mastery is terrific! I would still love to...

1. Cộng đồng
2. News and Updates from Khan Academy
3. Update: Simplified cards before and after exercises, quizzes, unit tests, and course challenges!

I found it very helpful to see my progress in the different areas that will be addressed in a quiz or test before I begin, and then to see the areas I made progress in when I finish. That sort of f...