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Cornerstone · Grades 3–5 Keystones #1 26 June 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 June 2022 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: x3 × x3

    Answer: x6
  2. 2. Algebra

    Collect like terms: 5x + 3y + 4x + 3y

    Answer: 9x + 6y
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 8:24

    Answer: 1:3
  5. 5. Statistics

    Find the mean of: 5, 11, 7

    Answer: 7.6666666666667

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