Keystones — Lintel
Five GCSE retrieval questions · 1 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 815
Answer: 1810 -
2. Algebra
Factorise fully: 16x² + 12x
Answer: 4x(4x + 3) -
3. Geometry
Find c if a = 17cm and b = 15cm in a right triangle
Answer: 22.7cm -
4. Ratio
Simplify: 4:4:12
Answer: 1:1:3 -
5. Statistics
Find the range of: 42, 8, -16, -22, -19
Answer: 64