Keystones — Capstone
Five GCSE retrieval questions · 6 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 1⁄3 + 2⁄6
Answer: 1⁄1 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 19cm, hypotenuse = 27cm. Find the angle
Answer: 45.3° -
4. Ratio
Calculate 49.3% of 417
Answer: 205.58 -
5. Statistics
A spinner has 3 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄11