Keystones — Bedrock
Five GCSE retrieval questions · 8 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 79 + 39
Answer: 79 + 39 = 118 -
2. Algebra
Simplify: 9x + 4x
Answer: 13x -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 81
Answer: 8.1 -
5. Statistics
Find the median of: 11, 9, 8, 13, 6
Answer: 9