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How does Khan Academy measure my math knowledge?

On Khan Academy, there are two main ways to practice math skills and “show what you know”: practice tasks and challenges.

Practice tasks

Each practice task focuses on one specific skill. When you open a practice task on a skill you haven’t attempted yet, you’ll see a personalized goal at the top right of the window. If you achieve this goal, you’ll “level up” from “needs practice” to “practiced.”

Usually, your goal will be to answer five questions correctly in a row. However, you might see a different goal, depending on what our adaptive software has learned about your math knowledge. For example, your goal might be to “get the first 2 correct, or 5 in a row.”

Challenges

Each challenge contains problems on a variety of skills. In general, when you answer a problem correctly in a challenge, your level on that skill will go up. If you answer several problems on the same skill incorrectly, your level may go down. Challenges help you level up quickly.

Challenges may contain skills you’ve practiced on Khan Academy as well as skills you haven’t. Most of these skills will be from your current mission.

  • For skills you’ve already practiced, our goal is to see whether you’ve retained this knowledge and know when you to apply it.
  • For skills you haven’t practiced, our goal is to see whether you already know the concept or still need to practice it. If you don't know the answer, you can always click "I haven't learned this yet" to go on to the next problem.

There are several kinds of challenges, including mission warm-ups, mastery challenges, and booster challenges. Each type of challenge has a slightly different format, but the overall goal of all challenges is the same: to assess your current math knowledge and recognize your progress!

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