Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + (-1)
Answer: -6 -
2. Algebra
Simplify: 3x + 5x
Answer: 8x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics
Find the mean of: 20, 14, 6
Answer: 13.333333333333