Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 9.1 + 4.4
Answer: 9.1 + 4.4 = 13.5 -
2. Algebra
Factorise: 15x + 9
Answer: 3(5x + 3) -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Find the median of: 19, 19, 20, 18, 18
Answer: 19