Keystones — Lintel
Five GCSE retrieval questions · 21 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 751
Answer: 1747 -
2. Algebra
Solve: 7x = 98
Answer: x = 14 -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 11cm and 9cm
Answer: 49.5cm² -
4. Ratio
Simplify: 15:18:12
Answer: 5:6:4 -
5. Statistics
Calculate the mean of: 16, 31, 39, 14, 12, 38, 44
Answer: 27.7