Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1.4 + 1.1
Answer: 1.4 + 1.1 = 2.5 -
2. Algebra
Find the next term: 6, 9, 12, 15, ...
Answer: 18 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics
Find the mean of: 7, 17, 20, 19, 5
Answer: 13.6