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Lintel · Grades 5–7 Keystones #1 1 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 1 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 968 + 333

    Answer: 968 + 333 = 1301
  2. 2. Algebra

    Solve: x4 = 5

    Answer: x = 20
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 37cm. Find the angle

    Answer: 47.5°
  4. 4. Ratio

    Simplify: 20:20:24

    Answer: 5:5:6
  5. 5. Statistics

    A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 613