Keystones — Cornerstone
Five GCSE retrieval questions · 20 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 34 + 57
Answer: 34 + 57 = 91 -
2. Algebra
Collect like terms: 5x + 8y + 2x + 8y
Answer: 7x + 16y -
3. Geometry
Opposite = 11cm, adjacent = 16cm. Calculate the angle
Answer: 34.5° -
4. Ratio
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics
Find the range of: 19, 42, 29, 38, 30
Answer: 23