Keystones — Lintel
Five GCSE retrieval questions · 25 July 2026 · mathsvault.uk/keystones
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1. Number
What is the missing number: 44 + ? = 128
Answer: 84 -
2. Algebra
Solve: 8x = 64
Answer: x = 8 -
3. Geometry
Opposite = 19cm, adjacent = 17cm. Calculate the angle
Answer: 48.2° -
4. Ratio
Calculate 23% of 918
Answer: 211.14 -
5. Statistics
A spinner has 6 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄7