Keystones — Cornerstone
Five GCSE retrieval questions · 29 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 36 + 22
Answer: 36 + 22 = 58 -
2. Algebra
Solve: 6x + 7 = 4x + 21
Answer: x = 7 -
3. Geometry
Find the distance between (4, 1) and (9, 6)
Answer: 7.07 -
4. Ratio
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics
Find the mean of: 20, 17, 2, 3
Answer: 10.5