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

Five GCSE retrieval questions · 1 May 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra Two-step equations

    Solve: 3x - 10 = 2

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

    Calculate the hypotenuse when a = 11cm and b = 10cm

    Answer: 14.87cm
  4. 4. Ratio Sharing in a ratio

    Divide 112 in the ratio 1:3:3

    Answer: 16, 48 and 48
  5. 5. Statistics Mean

    Find the mean of: 4, 5, 14, 7

    Answer: 7.5

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