Keystones — Cornerstone
Five GCSE retrieval questions · 1 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 94
Answer: 64 + 94 = 158 -
2. Algebra
Expand: 6(5x + 2)
Answer: 30x + 12 -
3. Geometry
Opposite = 12cm, adjacent = 8cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Find 47% of 463
Answer: 217.61 -
5. Statistics
Calculate the range of: 67, 83, 34, 39, 78, 85
Answer: 51