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Cornerstone · Grades 3–5 Keystones #1 9 April 2020 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 April 2020 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 5⁄11

    Answer: 7⁄11
  2. 2. Algebra Two-step equations

    Solve: 6x + 8 = 38

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio Sharing in a ratio

    Share 65 in the ratio 3:2

    Answer: 39 and 26
  5. 5. Statistics Mean

    Find the mean of: 12, 9, 8, 6

    Answer: 8.75

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