Keystones — Lintel
Five GCSE retrieval questions · 17 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 897
Answer: 1892 -
2. Algebra
Solve: 7x = 98
Answer: x = 14 -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 43, 44, 47, 37, 43, 23, 33
Answer: 38.6