Keystones — Capstone
Five GCSE retrieval questions · 25 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 509
Answer: 1504 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 12cm, hypotenuse = 19cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 4 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄5