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

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

  1. 1. Number Adding fractions

    Add: 67 + 25

    Answer: 4435
  2. 2. Algebra Two-step equations

    Solve: 4x - 19 = -3

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 10cm and b = 13cm

    Answer: 16.4cm
  4. 4. Ratio Sharing in a ratio

    Divide 144 in the ratio 2:3:3

    Answer: 36, 54 and 54
  5. 5. Statistics Mean

    Calculate the mean of: 22, 20, 26, 25, 18, 15, 26

    Answer: 21.7