Keystones — Cornerstone
Five GCSE retrieval questions · 6 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 62
Answer: 82 + 62 = 144 -
2. Algebra
Factorise: 4x + 12
Answer: 2(2x + 6) -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Find 67% of 288
Answer: 192.96 -
5. Statistics
Calculate the mean of: 11, 11, 46, 43, 35, 33, 46
Answer: 32.1