Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 43 + 38
Answer: 43 + 38 = 81 -
2. Algebra
Find the next term: 27, 30, 33, 36, ...
Answer: 39 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 71
Answer: 35.5 -
5. Statistics
Find the mean of: 19, 18, 2
Answer: 13