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Cornerstone · Grades 3–5 Keystones #1 4 May 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 May 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄6 + 3⁄6

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

    Solve: 3x + 11 = 38

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 12cm and b = 6cm

    Answer: 13.42cm
  4. 4. Ratio Sharing in a ratio

    Share 60 in the ratio 3:2

    Answer: 36 and 24
  5. 5. Statistics Mean

    Find the mean of: 9, 7, 10

    Answer: 8.6666666666667

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