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Cornerstone · Grades 3–5 Keystones #1 3 June 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 3 June 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄8 + 1⁄8

    Answer: 1⁄4
  2. 2. Algebra Two-step equations

    Solve: 4x + 12 = 60

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio Sharing in a ratio

    Share 50 in the ratio 2:3

    Answer: 20 and 30
  5. 5. Statistics Mean

    Find the mean of: 17, 5, 9, 20, 14

    Answer: 13

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