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Cornerstone · Grades 3–5 Keystones #1 1 April 2015 Skills week 1 of 7
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Five GCSE retrieval questions · 1 April 2015 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄12 + 1⁄12

    Answer: 5⁄12
  2. 2. Algebra Two-step equations

    Solve: 6x + 11 = 35

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 9cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.64cm
  4. 4. Ratio Sharing in a ratio

    Divide 96 in the ratio 2:3:3

    Answer: 24, 36 and 36
  5. 5. Statistics Mean

    Find the mean of: 6, 9, 3, 6

    Answer: 6

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