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

Five GCSE retrieval questions · 7 May 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄3 + 3⁄7

    Answer: 23⁄21
  2. 2. Algebra Two-step equations

    Solve: 7x + 6 = 62

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio Sharing in a ratio

    Share 70 in the ratio 2:3

    Answer: 28 and 42
  5. 5. Statistics Mean

    Find the mean of: 17, 14, 17

    Answer: 16

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