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Lintel · Grades 5–7 Keystones #1 28 July 2022
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Keystones — Lintel

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

  1. 1. Number

    Simplify: y3 × y2 × y4

    Answer: y9
  2. 2. Algebra

    Solve: 9x = 99

    Answer: x = 11
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 31cm. Find the angle

    Answer: 49.8°
  4. 4. Ratio

    Simplify: 18:9:15

    Answer: 6:3:5
  5. 5. Statistics

    A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?

    Answer: 313