Keystones — Lintel
Five GCSE retrieval questions · 11 August 2024 · mathsvault.uk/keystones
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1. Number
Simplify: 5√4 - 4√4
Answer: 1√4 -
2. Algebra
Factorise fully: 28x² + 24x
Answer: 4x(7x + 6) -
3. Geometry
Opposite = 10cm, adjacent = 17cm. Calculate the angle
Answer: 30.5° -
4. Ratio
Find 15% of 187
Answer: 28.05 -
5. Statistics
Calculate the mean of: 27, 29, 46, 49, 23, 11
Answer: 30.8