Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 55 + 96
Answer: 55 + 96 = 151 -
2. Algebra
Factorise: 30x + 18
Answer: 6(5x + 3) -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics
Find the mean of: 16, 20, 7, 18, 14
Answer: 15