Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 4.9 + 4
Answer: 4.9 + 4 = 8.9 -
2. Algebra
Factorise: 14x + 16
Answer: 2(7x + 8) -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics
Find the mean of: 4, 12, 6
Answer: 7.3333333333333