Keystones — Cornerstone
Five GCSE retrieval questions · 28 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 84 + 20
Answer: 84 + 20 = 104 -
2. Algebra
Find the next term: 23, 32, 41, 50, ...
Answer: 59 -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Simplify: 12:10:6
Answer: 6:5:3 -
5. Statistics
Find the range of: 26, 13, 28, 28, 8
Answer: 20