Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 45 + 24
Answer: 45 + 24 = 69 -
2. Algebra
Factorise: 9x + 12
Answer: 3(3x + 4) -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics
Find the median of: 6, 13, 20, 17, 20
Answer: 17