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

Five GCSE retrieval questions · 3 March 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 6⁄10 + 3⁄10

    Answer: 9⁄10
  2. 2. Algebra Two-step equations

    Solve: 6x + 7 = 79

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 11cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 11.7cm
  4. 4. Ratio Sharing in a ratio

    Divide 232 in the ratio 2:3:3

    Answer: 58, 87 and 87
  5. 5. Statistics Mean

    Find the mean of: 8, 24, 10

    Answer: 14

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