Keystones — Cornerstone
Five GCSE retrieval questions · 8 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 29 + 76
Answer: 29 + 76 = 105 -
2. Algebra
Expand: 5(2x + 6)
Answer: 10x + 30 -
3. Geometry
Opposite = 15cm, adjacent = 15cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics
Find the range of: 36, 17, 17, 37, 25
Answer: 20