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Cornerstone · Grades 3–5 Keystones #1 10 July 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 July 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄11 + 6⁄11

    Answer: 7⁄11
  2. 2. Algebra Two-step equations

    Solve: 4x + 9 = 33

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

    Calculate the hypotenuse when a = 8cm and b = 15cm

    Answer: 17cm
  4. 4. Ratio Sharing in a ratio

    Share 84 in the ratio 3:4

    Answer: 36 and 48
  5. 5. Statistics Mean

    Find the mean of: 10, 4, 7

    Answer: 7

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