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

Five GCSE retrieval questions · 3 August 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra Two-step equations

    Solve: 4x - 10 = 22

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.54cm
  4. 4. Ratio Sharing in a ratio

    Divide 104 in the ratio 4:1:3

    Answer: 52, 13 and 39
  5. 5. Statistics Mean

    Find the mean of: 17, 14, 5

    Answer: 12