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Cornerstone · Grades 3–5 Keystones #1 27 March 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 27 March 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra Two-step equations

    Solve: 2x + 9 = 15

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

    Calculate the hypotenuse when a = 5cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 7.81cm
  4. 4. Ratio Sharing in a ratio

    Divide 168 in the ratio 1:2:4

    Answer: 24, 48 and 96
  5. 5. Statistics Mean

    Calculate the mean of: 35, 9, 38, 43, 26, 49. Give your answer to 2 decimal places

    Answer: 33.33

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