Keystones — Capstone
Five GCSE retrieval questions · 31 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 3⁄4 + 2⁄3
Answer: 23⁄12 -
2. Algebra
Simplify: 10x - 2x + 5y - y
Answer: 8x + 4y -
3. Geometry
Adjacent = 13cm, hypotenuse = 19cm. Find the angle
Answer: 46.8° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄13