Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 63 + 40
Answer: 63 + 40 = 103 -
2. Algebra
Simplify: 3x + 8x
Answer: 11x -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 16, 19, 7
Answer: 14