Keystones — Cornerstone
Five GCSE retrieval questions · 27 July 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 85 + 73
Answer: 85 + 73 = 158 -
2. Algebra
Solve: x + 2 = 11
Answer: x = 9 -
3. Geometry
Opposite = 12cm, adjacent = 18cm. Calculate the angle
Answer: 33.7° -
4. Ratio
Find 38% of 324
Answer: 123.12 -
5. Statistics
Calculate the range of: 52, 102, 42, 83, 41, 96
Answer: 61