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Lintel · Grades 5–7 Keystones #1 26 June 2025
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Keystones — Lintel

Five GCSE retrieval questions · 26 June 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 856 + 565

    Answer: 856 + 565 = 1421
  2. 2. Algebra

    Solve: x2 = 11.5

    Answer: x = 23
  3. 3. Geometry

    Opposite = 20cm, adjacent = 8cm. Calculate the angle

    Answer: 68.2°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 813