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

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

  1. 1. Number Adding fractions

    Add: 4⁄6 + 1⁄4

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 4x + 15 = 31

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 8cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.12cm
  4. 4. Ratio Sharing in a ratio

    Divide 196 in the ratio 2:2:3

    Answer: 56, 56 and 84
  5. 5. Statistics Mean

    Calculate the mean of: 33, 42, 17, 32, 38, 48, 33, 10. Give your answer to 2 decimal places

    Answer: 31.63