Keystones — Lintel
Five GCSE retrieval questions · 29 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 1⁄2 + 1⁄4
Answer: 13⁄12 -
2. Algebra
Factorise: 8x² + 6x
Answer: 2x(4x + 3) -
3. Geometry
Adjacent = 27cm, hypotenuse = 35cm. Find the angle
Answer: 39.5° -
4. Ratio
Simplify: 20:12:8
Answer: 5:3:2 -
5. Statistics
Find the range of: 18, 45, -27, 34, 31
Answer: 72