Keystones — Cornerstone
Five GCSE retrieval questions · 17 April 2026 · mathsvault.uk/keystones
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1. Number
What is the missing number: 46 + ? = 130
Answer: 84 -
2. Algebra
Expand: 2(3x + 7)
Answer: 6x + 14 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 4cm
Answer: 8.94cm -
4. Ratio
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics
Calculate the range of: 65, 43, 100, 113, 48, 114
Answer: 71