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Lintel · Grades 5–7 Keystones #1 6 February 2025
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Keystones — Lintel

Five GCSE retrieval questions · 6 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    Add: 23 + 34

    Answer: 1712
  2. 2. Algebra

    Solve: 2x = 30

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 48cm. Find the angle

    Answer: 54.3°
  4. 4. Ratio

    Simplify: 24:12:16

    Answer: 6:3:4
  5. 5. Statistics

    A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 513