Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄7 + 4⁄7
Answer: 5⁄7 -
2. Algebra
Simplify: 2x + 6x
Answer: 8x -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics
Find the mean of: 18, 18, 15
Answer: 17