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Cornerstone · Grades 3–5 Keystones #1 13 July 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 July 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 18 + 27

    Answer: 2356
  2. 2. Algebra Two-step equations

    Solve: 5x + 12 = 37

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio Sharing in a ratio

    Share 65 in the ratio 2:3

    Answer: 26 and 39
  5. 5. Statistics Mean

    Find the mean of: 18, 12, 7

    Answer: 12.333333333333