Keystones — Cornerstone
Five GCSE retrieval questions · 20 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 4 + 6
Answer: 10 -
2. Algebra
Expand: 2(3x + 6)
Answer: 6x + 12 -
3. Geometry
Opposite = 20cm, adjacent = 11cm. Calculate the angle
Answer: 61.2° -
4. Ratio
Simplify: 12:9:15
Answer: 4:3:5 -
5. Statistics
Find the range of: 43, 41, 20, 26, 42
Answer: 23