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Cornerstone · Grades 3–5 Keystones #1 25 May 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 25 May 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 5⁄8 + 1⁄8

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 6x - 13 = 29

    Answer: x = 7
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio Sharing in a ratio

    Share 44 in the ratio 3:1

    Answer: 33 and 11
  5. 5. Statistics Mean

    Find the mean of: 14, 18, 4

    Answer: 12

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