Keystones — Capstone
Five GCSE retrieval questions · 24 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 634
Answer: 1633 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 16cm, hypotenuse = 24cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 18.7% of 718
Answer: 134.27 -
5. Statistics
A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄11