Keystones — Bedrock
Five GCSE retrieval questions · 13 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 57
Answer: 24 + 57 = 81 -
2. Algebra
Factorise: 30x + 48
Answer: 6(5x + 8) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics
Find the mean of: 13, 6, 5, 6
Answer: 7.5