Keystones — Cornerstone
Five GCSE retrieval questions · 15 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 97 + 69
Answer: 97 + 69 = 166 -
2. Algebra
Expand: 7(x + 8)
Answer: 7x + 56 -
3. Geometry
Opposite = 15cm, adjacent = 10cm. Calculate the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics
Calculate the range of: 37, 76, 76, 45, 57, 104
Answer: 67