Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2026 · mathsvault.uk/keystones
-
1. Number
Calculate: -6 + 2
Answer: -4 -
2. Algebra
Simplify: 5x + 4x
Answer: 9x -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 176
Answer: 88 -
5. Statistics
Find the mean of: 8, 7, 20
Answer: 11.666666666667