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Cornerstone · Grades 3–5 Keystones #1 2 June 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 June 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 26 + 47

    Answer: 1921
  2. 2. Algebra Two-step equations

    Solve: 8x - 12 = 100

    Answer: x = 14
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 7cm and b = 4cm

    Answer: 8.06cm
  4. 4. Ratio Sharing in a ratio

    Share 96 in the ratio 1:2

    Answer: 32 and 64
  5. 5. Statistics Mean

    Calculate the mean of: 14, 34, 12, 37, 50, 36, 29, 39

    Answer: 31.4