Keystones — Lintel
Five GCSE retrieval questions · 2 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 139 + 124
Answer: 139 + 124 = 263 -
2. Algebra
Simplify: 12x - 9x + 6y - 5y
Answer: 3x + y -
3. Geometry
Opposite = 18cm, adjacent = 12cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 30, 26, 14, 40, 7, 16, 38
Answer: 24.4