Keystones — Lintel
Five GCSE retrieval questions · 28 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 571
Answer: 1566 -
2. Algebra
Factorise fully: 16x² + 28x
Answer: 4x(4x + 7) -
3. Geometry
Adjacent = 15cm, hypotenuse = 27cm. Find the angle
Answer: 56.3° -
4. Ratio
Simplify: 12:9:6
Answer: 4:3:2 -
5. Statistics
Find the range of: -11, -12, -12, 30, 43
Answer: 55