Keystones — Cornerstone
Five GCSE retrieval questions · 14 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 581 + 901
Answer: 581 + 901 = 1482 -
2. Algebra
Factorise: 4x² + 3x
Answer: x(4x + 3) -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Find 79% of 103
Answer: 81.37 -
5. Statistics
Find the range of: 15, 25, 40, 34, 36
Answer: 25