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Cornerstone · Grades 3–5 Keystones #1 16 November 2024 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 16 November 2024 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 46 + 16

    Answer: 56
  2. 2. Algebra Two-step equations

    Solve: 7x + 5 = 68

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

    Calculate the hypotenuse when a = 3cm and b = 12cm

    Answer: 12.37cm
  4. 4. Ratio Sharing in a ratio

    Share 64 in the ratio 1:3

    Answer: 16 and 48
  5. 5. Statistics Mean

    Find the mean of: 6, 9, 4, 15, 14

    Answer: 9.6