Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 13 + 40
Answer: 13 + 40 = 53 -
2. Algebra
Simplify: 3x + 6x
Answer: 9x -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics
Find the range of: 20, 38, 25, 38, 29
Answer: 18