Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 82
Answer: 74 + 82 = 156 -
2. Algebra
Factorise: 42x + 18
Answer: 6(7x + 3) -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics
Find the range of: 23, 17, 22, 7, 26
Answer: 19