Keystones — Capstone
Five GCSE retrieval questions · 25 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 818
Answer: 1812 -
2. Algebra
Solve: x⁄2 = 7.5
Answer: x = 15 -
3. Geometry
Adjacent = 13cm, hypotenuse = 23cm. Find the angle
Answer: 55.6° -
4. Ratio
Calculate 27.2% of 858
Answer: 233.38 -
5. Statistics
A spinner has 5 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄13