Keystones — Capstone
Five GCSE retrieval questions · 20 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 505
Answer: 1504 -
2. Algebra
Solve: x⁄7 = 2
Answer: x = 14 -
3. Geometry
Adjacent = 24cm, hypotenuse = 33cm. Find the angle
Answer: 43.3° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄13