Keystones — Lintel
Five GCSE retrieval questions · 2 April 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 131, 179, and 117
Answer: 427 -
2. Algebra
Solve: 8x = 80
Answer: x = 10 -
3. Geometry
Opposite = 18cm, adjacent = 11cm. Calculate the angle
Answer: 58.6° -
4. Ratio
Find 37% of 450
Answer: 166.5 -
5. Statistics
Calculate the mean of: 41, 42, 31, 35, 8, 13
Answer: 28.3