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Lintel · Grades 5–7 Keystones #1 21 November 2021
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Keystones — Lintel

Five GCSE retrieval questions · 21 November 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 34 + 34 + 12

    Answer: 21
  2. 2. Algebra

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 9cm and 9cm

    Answer: 40.5cm²
  4. 4. Ratio

    Calculate 33.2% of 526

    Answer: 174.63
  5. 5. Statistics

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

    Answer: 511