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Lintel · Grades 5–7 Keystones #1 28 August 2023
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Keystones — Lintel

Five GCSE retrieval questions · 28 August 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 991 + 648

    Answer: 1639
  2. 2. Algebra

    Solve: 6x = 48

    Answer: x = 8
  3. 3. Geometry

    Find c if a = 18cm and b = 17cm in a right triangle

    Answer: 24.8cm
  4. 4. Ratio

    Find 48% of 128

    Answer: 61.44
  5. 5. Statistics

    A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?

    Answer: 513