Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 55 + 67
Answer: 55 + 67 = 122 -
2. Algebra
Expand: 4(x + 2)
Answer: 4x + 8 -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics
Find the mean of: 14, 20, 7, 4, 15
Answer: 12