Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 61
Answer: 85 + 61 = 146 -
2. Algebra
Simplify: 7x + 8x
Answer: 15x -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics
Find the mean of: 16, 5, 9, 14, 13
Answer: 11.4