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Cornerstone · Grades 3–5 Keystones #1 2 June 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 June 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 73 + 72

    Answer: 73 + 72 = 145
  2. 2. Algebra

    What is the next term? 3, 9, 27, 81, ...

    Answer: 243
  3. 3. Geometry

    Calculate the area of a circle with diameter 23cm

    Answer: 415.48cm²
  4. 4. Ratio

    Simplify: 6:15:15

    Answer: 2:5:5
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 16