Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄9 + 3⁄9
Answer: 5⁄9 -
2. Algebra
Simplify: 5x + 8x
Answer: 13x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics
Find the mean of: 5, 17, 11
Answer: 11