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Cornerstone · Grades 3–5 Keystones #1 31 October 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 31 October 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 4⁄8 + 3⁄8

    Answer: 7⁄8
  2. 2. Algebra Two-step equations

    Solve: 4x + 7 = 43

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 8cm

    Answer: 8.54cm
  4. 4. Ratio Sharing in a ratio

    Share 64 in the ratio 1:3

    Answer: 16 and 48
  5. 5. Statistics Mean

    Find the mean of: 14, 20, 8

    Answer: 14

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