Keystones — Lintel
Five GCSE retrieval questions · 1 October 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 995 + 588
Answer: 1583 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 12cm, hypotenuse = 30cm. Find the angle
Answer: 66.4° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
Find the range of: -19, 17, -27, 42, 37
Answer: 69