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Capstone · Grades 7–9 Keystones #1 28 June 2022
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Keystones — Capstone

Five GCSE retrieval questions · 28 June 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 15 + 15 + 24

    Answer: 910
  2. 2. Algebra

    Factorise fully: 8x² + 12x

    Answer: 4x(2x + 3)
  3. 3. Geometry

    A right triangle has hypotenuse 5cm and one side 3cm. Find its area

    Answer: 6cm²
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 511