Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 14 + 40
Answer: 14 + 40 = 54 -
2. Algebra
Factorise: 25x + 40
Answer: 5(5x + 8) -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics
Find the median of: 15, 9, 10, 6, 18
Answer: 10