Keystones — Lintel
Five GCSE retrieval questions · 16 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 1⁄6 + 3⁄4
Answer: 17⁄12 -
2. Algebra
Factorise: 3x² + 4x
Answer: x(3x + 4) -
3. Geometry
Calculate perimeter: two sides are 15cm and 6cm at right angles
Answer: 37.2cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
Find the range of: -24, -3, 35, -26, 2
Answer: 61