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Lintel · Grades 5–7 Keystones #1 12 May 2022
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Keystones — Lintel

Five GCSE retrieval questions · 12 May 2022 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x4 = 8.25

    Answer: x = 33
  3. 3. Geometry

    Opposite = 16cm, adjacent = 12cm. Calculate the angle

    Answer: 53.1°
  4. 4. Ratio

    Find 83% of 500

    Answer: 415
  5. 5. Statistics

    A bag has 3 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 12