Keystones — Cornerstone
Five GCSE retrieval questions · 1 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 91 + 74
Answer: 91 + 74 = 165 -
2. Algebra
Collect like terms: 4x + 5y + 3x + 8y
Answer: 7x + 13y -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 8:10:10
Answer: 4:5:5 -
5. Statistics
Find the range of: 19, 29, 32, 30, 34
Answer: 15