Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 7 + (-8)
Answer: -1 -
2. Algebra
Simplify: 7x + 3x
Answer: 10x -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics
Find the mean of: 6, 5, 5
Answer: 5.3333333333333