Keystones — Lintel
Five GCSE retrieval questions · 13 July 2025 · mathsvault.uk/keystones
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1. Number
What is the missing number: 85 + ? = 127
Answer: 42 -
2. Algebra
Solve: 7x = 91
Answer: x = 13 -
3. Geometry
Opposite = 13cm, adjacent = 11cm. Calculate the angle
Answer: 49.8° -
4. Ratio
Find 63% of 63
Answer: 39.69 -
5. Statistics
A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄11