Keystones — Lintel
Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 447 + 875
Answer: 447 + 875 = 1322 -
2. Algebra
Solve: x⁄7 = 2
Answer: x = 14 -
3. Geometry
Adjacent = 29cm, hypotenuse = 34cm. Find the angle
Answer: 31.5° -
4. Ratio
Find 71% of 277
Answer: 196.67 -
5. Statistics
A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7