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Cornerstone · Grades 3–5 Keystones #1 13 November 2024 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 November 2024 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 26 + 36

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

    Solve: 4x - 8 = 44

    Answer: x = 13
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 12cm and b = 13cm

    Answer: 17.69cm
  4. 4. Ratio Sharing in a ratio

    Divide 220 in the ratio 4:4:3

    Answer: 80, 80 and 60
  5. 5. Statistics Mean

    Find the mean of: 18, 19, 15

    Answer: 17.333333333333