Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 95 + 46
Answer: 95 + 46 = 141 -
2. Algebra
Factorise: 18x + 9
Answer: 3(6x + 3) -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 61
Answer: 30.5 -
5. Statistics
Find the mean of: 9, 14, 6
Answer: 9.6666666666667