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Lintel · Grades 5–7 Keystones #1 29 November 2021
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Keystones — Lintel

Five GCSE retrieval questions · 29 November 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 996 + 853

    Answer: 1849
  2. 2. Algebra

    Solve: x6 = 1

    Answer: x = 6
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Simplify: 18:9:12

    Answer: 6:3:4
  5. 5. Statistics

    A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 813