Keystones — Lintel
Five GCSE retrieval questions · 23 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 244 + 264
Answer: 244 + 264 = 508 -
2. Algebra
Simplify: 9x - 5x + 4y - 2y
Answer: 4x + 2y -
3. Geometry
Opposite = 16cm, adjacent = 17cm. Calculate the angle
Answer: 43.3° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3