Keystones — Lintel
Five GCSE retrieval questions · 29 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 831 + 476
Answer: 831 + 476 = 1307 -
2. Algebra
Solve: 8x = 32
Answer: x = 4 -
3. Geometry
Adjacent = 20cm, hypotenuse = 40cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄14