Keystones — Lintel
Five GCSE retrieval questions · 16 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 842
Answer: 1832 -
2. Algebra
Solve: 7x = 35
Answer: x = 5 -
3. Geometry
Adjacent = 25cm, hypotenuse = 40cm. Find the angle
Answer: 51.3° -
4. Ratio
Simplify: 6:8:4
Answer: 3:4:2 -
5. Statistics
Calculate the mean of: 34, 25, 43, 47, 43, 10, 24, 33
Answer: 32.4