Keystones — Lintel
Five GCSE retrieval questions · 4 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 555
Answer: 1547 -
2. Algebra
Factorise fully: 6x² + 14x
Answer: 2x(3x + 7) -
3. Geometry
Adjacent = 28cm, hypotenuse = 42cm. Find the angle
Answer: 48.2° -
4. Ratio
Simplify: 8:10:6
Answer: 4:5:3 -
5. Statistics
Find the range of: 29, 41, 22, -7, -13
Answer: 54