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Lintel · Grades 5–7 Keystones #1 8 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 8 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: y4 × y3 × y2

    Answer: y9
  2. 2. Algebra

    What is the next term? 6, 24, 96, 384, ...

    Answer: 1536
  3. 3. Geometry

    Opposite = 17cm, adjacent = 19cm. Calculate the angle

    Answer: 41.8°
  4. 4. Ratio

    Calculate 36.7% of 309

    Answer: 113.4
  5. 5. Statistics

    Calculate the mean of: 46, 38, 40, 33, 44, 31, 7, 45

    Answer: 35.5