Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 21
Answer: 46 + 21 = 67 -
2. Algebra
Simplify: 2x + 6x
Answer: 8x -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics
Find the mean of: 12, 5, 3, 13, 11
Answer: 8.8