Keystones — Cornerstone
Five GCSE retrieval questions · 14 April 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: 80 + 93
Answer: 80 + 93 = 173 -
2. Algebra
Solve: 9x = 117
Answer: x = 13 -
3. Geometry
Find the distance between (4, 5) and (7, 13)
Answer: 8.54 -
4. Ratio
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics
Calculate the mean of: 19, 36, 46, 9, 47, 49, 37, 41
Answer: 35.5