Keystones — Lintel
Five GCSE retrieval questions · 31 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 575
Answer: 1572 -
2. Algebra
What is the next term? 7, 28, 112, 448, ...
Answer: 1792 -
3. Geometry
Adjacent = 24cm, hypotenuse = 41cm. Find the angle
Answer: 54.2° -
4. Ratio
Find 24% of 287
Answer: 68.88 -
5. Statistics
Find the range of: -19, 17, 47, 36, -28
Answer: 75