Keystones — Lintel
Five GCSE retrieval questions · 22 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 530
Answer: 1522 -
2. Algebra
Solve: 2x = 16
Answer: x = 8 -
3. Geometry
Adjacent = 14cm, hypotenuse = 22cm. Find the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
Find the range of: 33, 34, 34, -10, 12
Answer: 44