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Cornerstone · Grades 3–5 Keystones #1 23 April 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 23 April 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 1⁄5 + 1⁄3

    Answer: 8⁄15
  2. 2. Algebra Two-step equations

    Solve: 6x - 14 = 70

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

    Calculate the hypotenuse when a = 3cm and b = 9cm

    Answer: 9.49cm
  4. 4. Ratio Sharing in a ratio

    Share 44 in the ratio 1:3

    Answer: 11 and 33
  5. 5. Statistics Mean

    Find the mean of: 9, 5, 4, 10

    Answer: 7

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