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Cornerstone · Grades 3–5 Keystones #1 10 May 2017 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 May 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 7⁄11 + 3⁄11

    Answer: 10⁄11
  2. 2. Algebra Two-step equations

    Solve: 7x - 16 = 61

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 8cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 9.43cm
  4. 4. Ratio Sharing in a ratio

    Share 44 in the ratio 3:1

    Answer: 33 and 11
  5. 5. Statistics Mean

    Find the mean of: 24, 16, 5

    Answer: 15