Keystones — Lintel
Five GCSE retrieval questions · 9 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄6 + 1⁄2 + 2⁄3
Answer: 2⁄1 -
2. Algebra
Solve: x⁄5 = 7.6
Answer: x = 38 -
3. Geometry
Adjacent = 23cm, hypotenuse = 36cm. Find the angle
Answer: 50.3° -
4. Ratio
Simplify: 12:9:6
Answer: 4:3:2 -
5. Statistics
Find the range of: -12, 37, -8, 9, -12
Answer: 49