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Cornerstone · Grades 3–5 Keystones #1 13 May 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 May 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄8 + 5⁄8

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 2x - 16 = 12

    Answer: x = 14
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 9cm

    Answer: 9.49cm
  4. 4. Ratio Sharing in a ratio

    Share 119 in the ratio 3:4

    Answer: 51 and 68
  5. 5. Statistics Mean

    Find the mean of: 7, 14, 7, 6, 11

    Answer: 9

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