Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: -10 + 8
Answer: -2 -
2. Algebra
Simplify: 9x + 2x
Answer: 11x -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
Find the mean of: 7, 4, 19
Answer: 10