Keystones — Cornerstone
Five GCSE retrieval questions · 9 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 86 + 41
Answer: 86 + 41 = 127 -
2. Algebra
Solve: 5x = 35
Answer: x = 7 -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Find 30% of 407
Answer: 122.1 -
5. Statistics
Calculate the range of: 34, 73, 93, 46, 51, 68
Answer: 59