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Cornerstone · Grades 3–5 Keystones #1 1 March 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 1 March 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 8⁄11 + 1⁄11

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

    Solve: 5x - 16 = 14

    Answer: x = 6
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 6cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 9.22cm
  4. 4. Ratio Sharing in a ratio

    Divide 176 in the ratio 1:4:3

    Answer: 22, 88 and 66
  5. 5. Statistics Mean

    Calculate the mean of: 30, 43, 48, 9, 45, 34. Give your answer to 2 decimal places

    Answer: 34.83