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Cornerstone · Grades 3–5 Keystones #1 20 April 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 20 April 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 4⁄8 + 1⁄6

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

    Solve: 8x - 7 = 49

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

    Calculate the hypotenuse when a = 10cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 10.77cm
  4. 4. Ratio Sharing in a ratio

    Share 72 in the ratio 2:1

    Answer: 48 and 24
  5. 5. Statistics Mean

    Calculate the mean of: 44, 48, 35, 22, 42, 36. Give your answer to 2 decimal places

    Answer: 37.83

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