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Lintel · Grades 5–7 Keystones #1 16 May 2023
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Keystones — Lintel

Five GCSE retrieval questions · 16 May 2023 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Solve: x6 = 4.1666666666667

    Answer: x = 25
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 28cm. Find the angle

    Answer: 62.3°
  4. 4. Ratio

    Calculate 33% of 859

    Answer: 283.47
  5. 5. Statistics

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

    Answer: 37