Keystones — Lintel
Five GCSE retrieval questions · 30 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 477 + 993
Answer: 477 + 993 = 1470 -
2. Algebra
Factorise fully: 10x² + 14x
Answer: 2x(5x + 7) -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 9cm and 13cm
Answer: 58.5cm² -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Find the range of: 49, -11, 49, 39, 33
Answer: 60