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Cornerstone · Grades 3–5 Keystones #1 22 April 2017 Skills week 1 of 7
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Five GCSE retrieval questions · 22 April 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄11 + 8⁄11

    Answer: 9⁄11
  2. 2. Algebra Two-step equations

    Solve: 4x + 10 = 54

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 5cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 6.4cm
  4. 4. Ratio Sharing in a ratio

    Share 60 in the ratio 2:1

    Answer: 40 and 20
  5. 5. Statistics Mean

    Find the mean of: 17, 15, 11, 7, 25

    Answer: 15

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