Keystones — Lintel
Five GCSE retrieval questions · 7 May 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 114, 231, and 54
Answer: 399 -
2. Algebra
Solve: 7x - 9 = 4x + 15
Answer: x = 8 -
3. Geometry
Opposite = 13cm, adjacent = 16cm. Calculate the angle
Answer: 39.1° -
4. Ratio
Find 26% of 429
Answer: 111.54 -
5. Statistics
Calculate the mean of: 31, 34, 45, 43, 35, 40, 34, 39
Answer: 37.6