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Lintel · Grades 5–7 Keystones #1 3 October 2021
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Keystones — Lintel

Five GCSE retrieval questions · 3 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 51 + ? = 145

    Answer: 94
  2. 2. Algebra

    Solve: x4 = 5.5

    Answer: x = 22
  3. 3. Geometry

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

    Answer: 32.9°
  4. 4. Ratio

    Find 27% of 342

    Answer: 92.34
  5. 5. Statistics

    A spinner has 4 red, 3 blue and 3 green sections. Probability of landing on red?

    Answer: 25