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Cornerstone · Grades 3–5 Keystones #1 13 June 2020 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 June 2020 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 36 + 48

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

    Solve: 6x - 17 = 67

    Answer: x = 14
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 4cm and b = 14cm

    Answer: 14.56cm
  4. 4. Ratio Sharing in a ratio

    Share 24 in the ratio 2:1

    Answer: 16 and 8
  5. 5. Statistics Mean

    Find the mean of: 9, 3, 4, 19

    Answer: 8.75