Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 10 + 40
Answer: 10 + 40 = 50 -
2. Algebra
Find the next term: 5, 15, 25, 35, ...
Answer: 45 -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 122
Answer: 30.5 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2