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Cornerstone · Grades 3–5 Keystones #1 15 June 2022 Skills week 1 of 7
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Five GCSE retrieval questions · 15 June 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄7 + 3⁄7

    Answer: 6⁄7
  2. 2. Algebra Two-step equations

    Solve: 5x + 5 = 40

    Answer: x = 7
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 11cm

    Answer: 11.4cm
  4. 4. Ratio Sharing in a ratio

    Share 84 in the ratio 3:4

    Answer: 36 and 48
  5. 5. Statistics Mean

    Calculate the mean of: 14, 16, 8, 32, 33, 11

    Answer: 19

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