Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 79
Answer: 85 + 79 = 164 -
2. Algebra
Simplify: 5x + 7x
Answer: 12x -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Find the mean of: 8, 6, 16
Answer: 10