Keystones — Capstone
Five GCSE retrieval questions · 8 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 523
Answer: 1515 -
2. Algebra
Simplify: 5x - 3x + 10y - 5y
Answer: 2x + 5y -
3. Geometry
Adjacent = 12cm, hypotenuse = 27cm. Find the angle
Answer: 63.6° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄9