Keystones — Lintel
Five GCSE retrieval questions · 7 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 604
Answer: 1601 -
2. Algebra
Solve: 5x = 45
Answer: x = 9 -
3. Geometry
Calculate the distance between (8, 9) and (11, 13)
Answer: 5 -
4. Ratio
Simplify: 6:12:12
Answer: 1:2:2 -
5. Statistics
A spinner has 6 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄8