Keystones — Lintel
Five GCSE retrieval questions · 16 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 957 + 708
Answer: 957 + 708 = 1665 -
2. Algebra
Solve: 5x = 35
Answer: x = 7 -
3. Geometry
Opposite = 10cm, adjacent = 11cm. Calculate the angle
Answer: 42.3° -
4. Ratio
Calculate 13.4% of 384
Answer: 51.46 -
5. Statistics
Find the range of: 30, -19, -19, 49, 8
Answer: 68