Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2025 · mathsvault.uk/keystones
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1. Number
7000
Answer: 7 × 103 -
2. Algebra
Simplify: 7x + 5x
Answer: 12x -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6