Keystones — Lintel
Five GCSE retrieval questions · 17 May 2024 · mathsvault.uk/keystones
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1. Number
Simplify: 6√3 - 5√3
Answer: 1√3 -
2. Algebra
Factorise fully: 10x² + 6x
Answer: 2x(5x + 3) -
3. Geometry
Opposite = 13cm, adjacent = 15cm. Calculate the angle
Answer: 40.9° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 19, 19, 23, 8, 32, 44, 35, 45
Answer: 28.1