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Lintel · Grades 5–7 Keystones #1 30 August 2021
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Keystones — Lintel

Five GCSE retrieval questions · 30 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 43 + ? = 154

    Answer: 111
  2. 2. Algebra

    Solve: x4 = 9

    Answer: x = 36
  3. 3. Geometry

    Opposite = 17cm, adjacent = 11cm. Calculate the angle

    Answer: 57.1°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 4 blue and 6 green sections. Probability of landing on red?

    Answer: 38