Keystones — Cornerstone
Five GCSE retrieval questions · 1 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 79 + 41
Answer: 79 + 41 = 120 -
2. Algebra
Simplify: 4x + 2x
Answer: 6x -
3. Geometry
Calculate the distance between (6, 10) and (9, 14)
Answer: 5 -
4. Ratio
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics
Calculate the range of: 55, 61, 72, 50, 80, 66
Answer: 30