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Cornerstone · Grades 3–5 Keystones #1 22 May 2017 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 22 May 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄7 + 1⁄7

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

    Solve: 4x - 14 = 22

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 9cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 9.85cm
  4. 4. Ratio Sharing in a ratio

    Divide 242 in the ratio 4:3:4

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

    Find the mean of: 12, 15, 15

    Answer: 14

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