Keystones — Lintel
Five GCSE retrieval questions · 29 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 674
Answer: 1670 -
2. Algebra
Factorise fully: 10x² + 8x
Answer: 2x(5x + 4) -
3. Geometry
Find c if a = 12cm and b = 22cm in a right triangle
Answer: 25.cm -
4. Ratio
Calculate 10.9% of 972
Answer: 105.95 -
5. Statistics
Find the range of: 10, 45, -4, 12, -18
Answer: 63