Keystones — Cornerstone
Five GCSE retrieval questions · 16 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 79
Answer: 31 + 79 = 110 -
2. Algebra
Factorise: 8x² + 2x
Answer: 2x(4x + 1) -
3. Geometry
Calculate the distance between (1, 4) and (4, 8)
Answer: 5 -
4. Ratio
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics
Find the range of: 16, 5, 13, 9, 5
Answer: 11