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Lintel · Grades 5–7 Keystones #1 27 January 2024
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Keystones — Lintel

Five GCSE retrieval questions · 27 January 2024 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Solve: x2 = 14.5

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 47cm. Find the angle

    Answer: 51.9°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 4 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 12