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Lintel · Grades 5–7 Keystones #1 12 October 2021
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Keystones — Lintel

Five GCSE retrieval questions · 12 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    95000

    Answer: 9.5 × 104
  2. 2. Algebra

    Solve: x6 = 4

    Answer: x = 24
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 44cm. Find the angle

    Answer: 48.8°
  4. 4. Ratio

    Calculate 46.7% of 660

    Answer: 308.22
  5. 5. Statistics

    A bag has 6 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 37