Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 69 + 64
Answer: 69 + 64 = 133 -
2. Algebra
Expand: 2(x + 8)
Answer: 2x + 16 -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics
Find the range of: 20, 28, 28, 15, 22
Answer: 13