Keystones — Lintel
Five GCSE retrieval questions · 13 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 760 + 727
Answer: 760 + 727 = 1487 -
2. Algebra
Factorise: 6x² + 2x
Answer: 2x(3x + 1) -
3. Geometry
Adjacent = 22cm, hypotenuse = 30cm. Find the angle
Answer: 42.8° -
4. Ratio
Simplify: 6:12:6
Answer: 1:2:1 -
5. Statistics
Calculate the mean of: 33, 22, 5, 6, 44, 31, 34, 20
Answer: 24.4