Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 52
Answer: 30 + 52 = 82 -
2. Algebra
Simplify: 4x + 4x
Answer: 8x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics
Find the mean of: 8, 17, 15, 4
Answer: 11