Keystones — Lintel
Five GCSE retrieval questions · 18 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 607 + 622
Answer: 607 + 622 = 1229 -
2. Algebra
Factorise: 8x² + 2x
Answer: 2x(4x + 1) -
3. Geometry
Opposite = 17cm, adjacent = 9cm. Calculate the angle
Answer: 62.1° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: 23, -17, 9, 16, -3
Answer: 40