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Cornerstone · Grades 3–5 Keystones #1 19 July 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 19 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: 53 × 52

    Answer: 55
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

    Opposite = 19cm, adjacent = 16cm. Calculate the angle

    Answer: 49.9°
  4. 4. Ratio

    Find 15% of 489

    Answer: 73.35
  5. 5. Statistics

    Find the range of: 21, 16, 26, 33, 41

    Answer: 25

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