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Lintel · Grades 5–7 Keystones #1 1 July 2022
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Keystones — Lintel

Five GCSE retrieval questions · 1 July 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 998 + 655

    Answer: 1653
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 14cm and 8cm

    Answer: 56cm²
  4. 4. Ratio

    Calculate 24.2% of 702

    Answer: 169.88
  5. 5. Statistics

    A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 613