Memory techniques · lesson 20 of 24 · free

Self-testing and teach-back — Memory techniques for students

To remember what you study, do not just read it again — pull it out of your memory. Close the book and write what you remember, quiz yourself with cards, or teach it to a sibling, a parent or even a toy. Where you get stuck shows exactly what to study again. Wrong answers go back into an “again” pile until you get them right.

▶ Watch how it works

Got it? Practise ↓

Memory tip

Pull it out to keep it in — “recalling makes a memory stronger than re-reading”

  1. Active recall: closed-book writing, quizzing with cards, teaching your sibling, answering old questions, covering the answers.
  2. Passive review: re-reading the chapter, highlighting everything, copying notes neatly, staring at the page.
  3. Teach-back: learn the topic → close the book → explain it simply → check what you missed. Wrong cards go back in the “again” pile: 30 − 7 right = 23.

Use it for: After every lesson, homework revision, before tests and while learning definitions.

Worked example: 🧪 Active recall or passive review: re-reading the chapter? → passive review

  1. Re-reading only looks at the page again; nothing is pulled out of memory.
  2. So it is passive review.

Check: Try it: after studying a page, close the book and teach it aloud for two minutes — then check what you missed ✓

▶ Watch it animated

✏️ Practice

Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.

Right: 0 · Tried: 0

🏁 Lesson 20 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

🏅 Sign in with Google to earn the 🧪 Recall Tester badge when you pass — and a certificate when you finish all 6 lessons of Part 4 · Study habits. You can still take the test without signing in.

🖨️ Memory Techniques Worksheet: Self-Testing and Teach-Back

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