Keystones — Lintel
Five GCSE retrieval questions · 26 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 591 + 620
Answer: 591 + 620 = 1211 -
2. Algebra
Solve: 7x = 105
Answer: x = 15 -
3. Geometry
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio
Calculate 39.6% of 366
Answer: 144.94 -
5. Statistics
Find the range of: 19, -14, -1, 49, 46
Answer: 63