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Cornerstone · Grades 3–5 Keystones #1 16 September 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 16 September 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra Two-step equations

    Solve: 6x + 5 = 59

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio Sharing in a ratio

    Share 95 in the ratio 3:2

    Answer: 57 and 38
  5. 5. Statistics Mean

    Find the mean of: 14, 5, 6

    Answer: 8.3333333333333

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