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Cornerstone · Grades 3–5 Keystones #1 14 November 2024 Skills week 1 of 7
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Five GCSE retrieval questions · 14 November 2024 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄12 + 2⁄12

    Answer: 5⁄6
  2. 2. Algebra Two-step equations

    Solve: 8x - 18 = 86

    Answer: x = 13
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 4cm and b = 11cm

    Answer: 11.7cm
  4. 4. Ratio Sharing in a ratio

    Share 66 in the ratio 2:1

    Answer: 44 and 22
  5. 5. Statistics Mean

    Calculate the mean of: 9, 49, 29, 39, 32, 9

    Answer: 27.8

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