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Capstone · Grades 7–9 Keystones #1 19 August 2023
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Keystones — Capstone

Five GCSE retrieval questions · 19 August 2023 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: y4 × y4 × y3

    Answer: y11
  2. 2. Algebra

    Solve: x8 = 4.25

    Answer: x = 34
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 21cm. Find the angle

    Answer: 44.4°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?

    Answer: 12