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Lintel · Grades 5–7 Keystones #1 17 August 2025
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Keystones — Lintel

Five GCSE retrieval questions · 17 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: x4 × x4

    Answer: x8
  2. 2. Algebra

    Solve: 8x = 120

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 29cm. Find the angle

    Answer: 46.4°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 611