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Lintel · Grades 5–7 Keystones #1 25 June 2025
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Keystones — Lintel

Five GCSE retrieval questions · 25 June 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 35 + 25 + 35

    Answer: 85
  2. 2. Algebra

    Solve: x4 = 8

    Answer: x = 32
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 30cm. Find the angle

    Answer: 36.9°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311