Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 52 + 39
Answer: 52 + 39 = 91 -
2. Algebra
Factorise: 9x + 6
Answer: 3(3x + 2) -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics
Find the mean of: 6, 3, 3, 8
Answer: 5