Keystones — Lintel
Five GCSE retrieval questions · 22 November 2025 · mathsvault.uk/keystones
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1. Number
Three lengths are 4.73m, 4.52m and 1.48m. What is their total length?
Answer: 10.73m -
2. Algebra
Solve: 9x = 36
Answer: x = 4 -
3. Geometry
Calculate the distance between (7, 1) and (10, 5)
Answer: 5 -
4. Ratio
Find 76% of 61
Answer: 46.36 -
5. Statistics
A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7