Keystones — Cornerstone
Five GCSE retrieval questions · 23 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 44
Answer: 31 + 44 = 75 -
2. Algebra
For y = x³, find y when x = 5
Answer: y = 125 -
3. Geometry
Find the distance between (4, 5) and (10, 10)
Answer: 7.81 -
4. Ratio
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics
Find the mean of: 19, 6, 11, 3
Answer: 9.75