Keystones — Cornerstone
Five GCSE retrieval questions · 17 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 76 + 51
Answer: 76 + 51 = 127 -
2. Algebra
Solve: 3x = 33
Answer: x = 11 -
3. Geometry
Find the area of a right triangle with base 4cm and height 5cm
Answer: 10cm² -
4. Ratio
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics
Find the range of: 33, 28, 12, 37, 34
Answer: 25