Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 34 + 20
Answer: 34 + 20 = 54 -
2. Algebra
Factorise: 21x + 18
Answer: 3(7x + 6) -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics
Find the mean of: 7, 14, 8, 3
Answer: 8