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Lintel · Grades 5–7 Keystones #1 1 May 2024
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Keystones — Lintel

Five GCSE retrieval questions · 1 May 2024 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 36 + ? = 180

    Answer: 144
  2. 2. Algebra

    Solve: x4 = 7

    Answer: x = 28
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 39cm. Find the angle

    Answer: 60.8°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    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