Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 48
Answer: 48 + 48 = 96 -
2. Algebra
Factorise: 8x + 20
Answer: 4(2x + 5) -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics
Find the median of: 7, 18, 20, 20, 12
Answer: 18