Keystones — Cornerstone
Five GCSE retrieval questions · 3 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 47 + 27
Answer: 47 + 27 = 74 -
2. Algebra
Find the next term: 29, 32, 35, 38, ...
Answer: 41 -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 151
Answer: 75.5 -
5. Statistics
Find the range of: 15, 24, 15, 14, 19
Answer: 10