Keystones — Cornerstone
Five GCSE retrieval questions · 26 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 36 + 54
Answer: 36 + 54 = 90 -
2. Algebra
Simplify: 7x + 4x
Answer: 11x -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics
Find the range of: 5, 18, 32, 30, 5
Answer: 27