Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: -2 + 3
Answer: 1 -
2. Algebra
Factorise: 30x + 15
Answer: 5(6x + 3) -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics
Find the mean of: 14, 8, 5, 20
Answer: 11.75