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Cornerstone · Grades 3–5 Keystones #1 9 June 2020 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 June 2020 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄11 + 1⁄11

    Answer: 5⁄11
  2. 2. Algebra Two-step equations

    Solve: 2x - 10 = 2

    Answer: x = 6
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 7cm and b = 6cm

    Answer: 9.22cm
  4. 4. Ratio Sharing in a ratio

    Share 105 in the ratio 4:3

    Answer: 60 and 45
  5. 5. Statistics Mean

    Find the mean of: 11, 19, 13

    Answer: 14.333333333333

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