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Lintel · Grades 5–7 Keystones #1 15 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 15 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    40000000

    Answer: 4 × 107
  2. 2. Algebra

    Solve: 9x = 63

    Answer: x = 7
  3. 3. Geometry

    Opposite = 8cm, adjacent = 9cm. Calculate the angle

    Answer: 41.6°
  4. 4. Ratio

    Find 22% of 211

    Answer: 46.42
  5. 5. Statistics

    A spinner has 2 red, 4 blue and 2 green sections. Probability of landing on red?

    Answer: 14