Keystones — Lintel
Five GCSE retrieval questions · 30 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 302 + 626
Answer: 302 + 626 = 928 -
2. Algebra
Solve: 2x = 16
Answer: x = 8 -
3. Geometry
Opposite = 18cm, adjacent = 17cm. Calculate the angle
Answer: 46.6° -
4. Ratio
Find 57% of 182
Answer: 103.74 -
5. Statistics
Calculate the mean of: 13, 39, 9, 40, 31, 10, 21, 43
Answer: 25.8