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Lintel · Grades 5–7 Keystones #1 12 August 2022
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Keystones — Lintel

Five GCSE retrieval questions · 12 August 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 25 + 23

    Answer: 1615
  2. 2. Algebra

    Solve: 8x - 6 = 2x + 54

    Answer: x = 10
  3. 3. Geometry

    Find c if a = 16cm and b = 16cm in a right triangle

    Answer: 22.6cm
  4. 4. Ratio

    Find 64% of 219

    Answer: 140.16
  5. 5. Statistics

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

    Answer: 12