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Cornerstone · Grades 3–5 Keystones #1 4 July 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 July 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 3⁄4 + 2⁄8

    Answer: 1⁄1
  2. 2. Algebra Two-step equations

    Solve: 8x - 11 = 37

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

    Calculate the hypotenuse when a = 9cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 10.3cm
  4. 4. Ratio Sharing in a ratio

    Share 91 in the ratio 4:3

    Answer: 52 and 39
  5. 5. Statistics Mean

    Calculate the mean of: 50, 13, 28, 46, 42, 49, 20. Give your answer to 2 decimal places

    Answer: 35.43