Keystones — Bedrock
Five GCSE retrieval questions · 1 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 20
Answer: 31 + 20 = 51 -
2. Algebra
Solve: x + 14 = 24
Answer: x = 10 -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 160
Answer: 40 -
5. Statistics
Find the mean of: 17, 8, 16, 12, 4
Answer: 11.4