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Cornerstone · Grades 3–5 Keystones #1 2 March 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 March 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄5 + 3⁄5

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

    Solve: 6x - 14 = 22

    Answer: x = 6
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio Sharing in a ratio

    Share 35 in the ratio 2:3

    Answer: 14 and 21
  5. 5. Statistics Mean

    Find the mean of: 2, 3, 5, 9, 8

    Answer: 5.4

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