Keystones — Cornerstone
Five GCSE retrieval questions · 2 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 691 + 434
Answer: 691 + 434 = 1125 -
2. Algebra
Solve: 2x = 6
Answer: x = 3 -
3. Geometry
Calculate the hypotenuse when a = 4cm and b = 8cm
Answer: 8.94cm -
4. Ratio
Calculate 10% of 96
Answer: 9.6 -
5. Statistics
Find the range of: 15, 35, 36, 12, 17
Answer: 24