Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 17
Answer: 30 + 17 = 47 -
2. Algebra
Factorise: 6x + 15
Answer: 3(2x + 5) -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics
Find the mean of: 8, 3, 10
Answer: 7