Keystones — Cornerstone
Five GCSE retrieval questions · 21 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 24
Answer: 62 + 24 = 86 -
2. Algebra
Expand: 5(x + 9)
Answer: 5x + 45 -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Find 54% of 119
Answer: 64.26 -
5. Statistics
Find the range of: 21, 11, 6, 6, 28
Answer: 22