Keystones — Capstone
Five GCSE retrieval questions · 31 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 867
Answer: 1865 -
2. Algebra
Solve: x⁄2 = 16
Answer: x = 32 -
3. Geometry
Adjacent = 21cm, hypotenuse = 31cm. Find the angle
Answer: 47.4° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄10