Keystones — Bedrock
Five GCSE retrieval questions · 9 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 17 + 35
Answer: 17 + 35 = 52 -
2. Algebra
Factorise: 32x + 28
Answer: 4(8x + 7) -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2