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

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

  1. 1. Number Adding fractions

    Calculate: 10⁄12 + 1⁄12

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 4x - 5 = 55

    Answer: x = 15
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio Sharing in a ratio

    Share 133 in the ratio 4:3

    Answer: 76 and 57
  5. 5. Statistics Mean

    Find the mean of: 3, 16, 9

    Answer: 9.3333333333333

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