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

Five GCSE retrieval questions · 7 April 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 16 + 25

    Answer: 1730
  2. 2. Algebra Two-step equations

    Solve: 5x - 14 = 16

    Answer: x = 6
  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

    Divide 261 in the ratio 1:4:4

    Answer: 29, 116 and 116
  5. 5. Statistics Mean

    Find the mean of: 19, 10, 19

    Answer: 16