Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: 2⁄10 + 6⁄10
Answer: 4⁄5 -
2. Algebra
Simplify: 9x + 5x
Answer: 14x -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics
Find the mean of: 4, 9, 7, 12, 13
Answer: 9