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Cornerstone · Grades 3–5 Keystones #1 5 August 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 5 August 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 1⁄11

    Answer: 3⁄11
  2. 2. Algebra Two-step equations

    Solve: 2x + 9 = 29

    Answer: x = 10
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 5cm and b = 7cm

    Answer: 8.6cm
  4. 4. Ratio Sharing in a ratio

    Share 20 in the ratio 3:1

    Answer: 15 and 5
  5. 5. Statistics Mean

    Calculate the mean of: 13, 28, 24, 11, 6, 35

    Answer: 19.5

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