Memory techniques · lesson 19 of 24 · free

Spaced repetition: growing gaps — Memory techniques for students

Spaced repetition means reviewing with gaps — and letting the gaps grow, because each review makes the memory last longer. Learn a topic on day 5, review on day 7, day 12 and day 18: gaps of 2, 5 and 6 days. Fifteen minutes on four days beats four hours the night before. Anything you forget at a review comes back sooner.

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Memory tip

Little and often, then less often — “each review can wait a bit longer than the last”

  1. Spaced practice: 15 minutes on 4 days, a little every day, old topics each Sunday, gaps that grow longer.
  2. Cramming: 4 hours the night before, all reviews on one day, no review until the test.
  3. Growing gaps: learn on day 5, review on days 7, 12, 18 → gaps 2 → 5 → 6. Forgot an item? Review it sooner.

Use it for: Spellings, vocabulary, tables, formulas, dates and every chapter you must keep till the exam.

Worked example: 🗓️ You learn a new topic on day 5. Which review plan has gaps that grow longer each time? → days 7, 12, 18

  1. Gaps in “days 7, 12, 18”: 2 → 5 → 6 days — each gap is longer than the last.
  2. The other plans keep the gaps the same, make them shorter or put everything on one day. So the answer is days 7, 12, 18.

Check: Try it: mark review days 1, 3, 7 and 14 on a calendar for one chapter and keep every review ✓

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✏️ Practice

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

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🏁 Lesson 19 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 🗓️ Spacing Star 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: Spaced Repetition Schedule

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