Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 0 + (-3)
Answer: -3 -
2. Algebra
Simplify: 8x + 3x
Answer: 11x -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics
Find the median of: 13, 12, 16, 11, 5
Answer: 12