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Cornerstone · Grades 3–5 Keystones #1 17 April 2017 Skills week 1 of 7
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Five GCSE retrieval questions · 17 April 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄7 + 2⁄7

    Answer: 3⁄7
  2. 2. Algebra Two-step equations

    Solve: 6x + 4 = 34

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 11cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 12.08cm
  4. 4. Ratio Sharing in a ratio

    Share 78 in the ratio 2:1

    Answer: 52 and 26
  5. 5. Statistics Mean

    Calculate the mean of: 43, 22, 49, 14, 6, 24, 38, 32

    Answer: 28.5

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