Keystones — Lintel
Five GCSE retrieval questions · 7 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 17 + (-6) + (10)
Answer: 21 -
2. Algebra
Factorise: 2x² + 7x
Answer: x(2x + 7) -
3. Geometry
Opposite = 13cm, adjacent = 15cm. Calculate the angle
Answer: 40.9° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: 12, 5, 46, -28, -28
Answer: 74