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Lintel · Grades 5–7 Keystones #1 2 July 2021
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Keystones — Lintel

Five GCSE retrieval questions · 2 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x2 = 4.5

    Answer: x = 9
  3. 3. Geometry

    Opposite = 19cm, adjacent = 10cm. Calculate the angle

    Answer: 62.2°
  4. 4. Ratio

    Simplify: 12:18:9

    Answer: 4:6:3
  5. 5. Statistics

    A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?

    Answer: 37