Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 75 + 75
Answer: 75 + 75 = 150 -
2. Algebra
Factorise: 32x + 24
Answer: 4(8x + 6) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics
Find the mean of: 12, 9, 5, 10
Answer: 9