Keystones — Lintel
Five GCSE retrieval questions · 14 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 665
Answer: 1661 -
2. Algebra
Simplify: 11x - 6x + 8y - 6y
Answer: 5x + 2y -
3. Geometry
Adjacent = 16cm, hypotenuse = 23cm. Find the angle
Answer: 45.9° -
4. Ratio
Find 23% of 244
Answer: 56.12 -
5. Statistics
Calculate the mean of: 7, 45, 15, 9, 24, 40, 9
Answer: 21.3