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asadbaby4fun
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asadbaby4fun commented,
Yes, Khan Academy, please add a feature where mastery challenges appear in about 30 minutes, or add a feature where mastery challenges have more skills included, so we could test out our strengths ...
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asadbaby4fun created a post,
Mastery Challenges
The Mastery Challenges in Khan Academy are very helpful because if a person get proficiency on a skill they can just do a mastery challenge to make it mastered. But the mastery challenge only incre...
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Total activity 4
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