Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 73
Answer: 77 + 73 = 150 -
2. Algebra
Simplify: 6x + 9x
Answer: 15x -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics
Find the mean of: 16, 13, 11, 5, 6
Answer: 10.2