Keystones — Lintel
Five GCSE retrieval questions · 15 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 898 + 118
Answer: 898 + 118 = 1016 -
2. Algebra
Solve: 3x = 39
Answer: x = 13 -
3. Geometry
Opposite = 9cm, adjacent = 9cm. Calculate the angle
Answer: 45° -
4. Ratio
Find 44% of 88
Answer: 38.72 -
5. Statistics
Calculate the mean of: 50, 11, 5, 23, 11, 15, 49, 35
Answer: 24.9