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Cornerstone · Grades 3–5 Keystones #1 5 July 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 5 July 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 58 + 13

    Answer: 2324
  2. 2. Algebra Two-step equations

    Solve: 4x + 7 = 19

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

    Calculate the hypotenuse when a = 4cm and b = 9cm

    Answer: 9.85cm
  4. 4. Ratio Sharing in a ratio

    Share 24 in the ratio 1:3

    Answer: 6 and 18
  5. 5. Statistics Mean

    Calculate the mean of: 35, 49, 29, 35, 20, 37

    Answer: 34.2