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Mistakes notebook: review questions you got wrong

The Mistakes notebook collects the multiple-choice questions you got wrong or left blank, from exams where your teacher released both scores and answers. You can review the answers, mark questions as mastered and practice them again right away.

Published October 11, 2026 · Last updated October 15, 2026

Steps

  1. Open “Mistakes notebook” in the left sidebar (or the “Mistakes notebook” button on the “Results” page), or click “Review in Mistakes notebook” on an exam's results page.
  2. Each question shows its type, a “Wrong” or “Left blank” label, how many times you got it wrong if it happened in several attempts, “Answered correctly later” if you got it right in a later attempt, plus the exam title, subject and submission time.
  3. Filter with “All subjects”, “All exams” (only exams of the selected subject), “All tags” and the “Hide mastered questions” box. Click a topic tag on a question to filter quickly. If no questions match, click “Clear filters”.
  4. Click “Show answer” to see the correct option, your choice and the explanation; click “Hide answer” to hide them again. “View attempt” opens the results page for that attempt.
  5. Click “Mark as mastered” once you understand a question; click “Unmark” to bring it back.
  6. Click “Practice again” to redo the questions currently shown: choose an answer → “Check answer” → see “Correct!” or “Incorrect” with the explanation → “Next question”. At the end, see the “Practice summary”, then choose “Practice incorrect questions again”, “Back to mistakes notebook” or “Exit practice”.

Options and limits

Question types in the notebook
Single-answer, multiple-answer and True/False questions. Review essay and fill-in-the-answer questions on the “Results” page.
Exams in the notebook
Only exams where your teacher let you see both scores and answers. If some exams haven't been released yet, the page shows “… attempts are not in the notebook yet because the teacher hasn't released the results or answers.”
Range
Taken from your 100 most recent attempts. Each question appears only once, based on the most recent time you got it wrong.
Mastered
Saved only in this device's browser; it doesn't carry over to other devices.

Common errors and how to fix them

  • “Couldn't load the mistakes notebook.” → click “Try again”.
  • Practicing in the notebook is just for review: nothing is sent to the server and your scores aren't affected.
  • An empty notebook says “No mistakes yet”, with a “View results” button.

Open the Mistakes notebook (sign-in required)

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