Keystones — Lintel
Five GCSE retrieval questions · 3 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 734
Answer: 1730 -
2. Algebra
Solve: 2x = 10
Answer: x = 5 -
3. Geometry
Adjacent = 12cm, hypotenuse = 30cm. Find the angle
Answer: 66.4° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A bag has 3 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2