Keystones — Cornerstone
Five GCSE retrieval questions · 2 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 732 + 397
Answer: 732 + 397 = 1129 -
2. Algebra
Collect like terms: 4x + 4y + 2x + 5y
Answer: 6x + 9y -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 12:10:6
Answer: 6:5:3 -
5. Statistics
Calculate the range of: 20, 67, 27, 34, 86, 79
Answer: 66