Keystones — Lintel
Five GCSE retrieval questions · 19 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 740 + 479
Answer: 740 + 479 = 1219 -
2. Algebra
Solve: 3x + 10 = x - 5
Answer: x = 7.5 -
3. Geometry
Find the distance between (-6, -6) and (4, 10)
Answer: 18.87 -
4. Ratio
Find 74% of 250
Answer: 185 -
5. Statistics
A bag has 6 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7