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Lintel · Grades 5–7 Keystones #1 13 October 2024
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Keystones — Lintel

Five GCSE retrieval questions · 13 October 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 12 + 56

    Answer: 53
  2. 2. Algebra

    Solve: 3x + 10 = 2x - 3

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 38cm. Find the angle

    Answer: 48.9°
  4. 4. Ratio

    Simplify: 12:6:18

    Answer: 2:1:3
  5. 5. Statistics

    A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 59