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Cornerstone · Grades 3–5 Keystones #1 27 April 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 27 April 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄3 + 3⁄6

    Answer: 7⁄6
  2. 2. Algebra Two-step equations

    Solve: 4x - 13 = 11

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

    Calculate the hypotenuse when a = 8cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 15.26cm
  4. 4. Ratio Sharing in a ratio

    Divide 144 in the ratio 1:1:2

    Answer: 36, 36 and 72
  5. 5. Statistics Mean

    Find the mean of: 10, 17, 3

    Answer: 10