Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 2.4 + 2.2
Answer: 2.4 + 2.2 = 4.6 -
2. Algebra
Find the next term: 15, 24, 33, 42, ...
Answer: 51 -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics
Find the median of: 10, 16, 19, 17, 10
Answer: 16