Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 6.8 + 9.3
Answer: 6.8 + 9.3 = 16.1 -
2. Algebra
Find the next term: 8, 10, 12, 14, ...
Answer: 16 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 121
Answer: 30.25 -
5. Statistics
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6