Keystones — Bedrock
Five GCSE retrieval questions · 27 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 69 + 30
Answer: 69 + 30 = 99 -
2. Algebra
Simplify: 9x + 2x
Answer: 11x -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics
Find the mean of: 4, 9, 11
Answer: 8