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Cornerstone · Grades 3–5 Keystones #65 6 March 2026 Skills week 3 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 16 × 48

    Answer: 112
  2. 2. Algebra Expanding single brackets

    Expand: 4(x + 8)

    Answer: 4x + 32
  3. 3. Geometry Pythagoras — short side

    In a right triangle, if c = 10cm and a = 6cm, find b

    Answer: 8cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 5:2. If the difference is 96, what does A get?

    Answer: 160
  5. 5. Statistics Range

    Calculate the range of: 98, 47, 120, 68, 120, 93

    Answer: 73