Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 14 + 48
Answer: 14 + 48 = 62 -
2. Algebra
Factorise: 15x + 35
Answer: 5(3x + 7) -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics
Find the mean of: 16, 15, 18, 11, 19
Answer: 15.8