Keystones — Cornerstone
Five GCSE retrieval questions · 3 January 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: 94 + 53
Answer: 94 + 53 = 147 -
2. Algebra
Expand: 6(x + 8)
Answer: 6x + 48 -
3. Geometry
Calculate the distance between (9, 3) and (12, 7)
Answer: 5 -
4. Ratio
Calculate 25% of 184
Answer: 46 -
5. Statistics
Calculate the mean of: 6, 41, 9, 47, 15, 43, 49
Answer: 30