Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 6 + 7 × 3
Answer: 27 -
2. Algebra
Simplify: 5x + 9x
Answer: 14x -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 174
Answer: 43.5 -
5. Statistics
Find the mean of: 6, 4, 9, 13
Answer: 8