Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 89 + 94
Answer: 89 + 94 = 183 -
2. Algebra
Factorise: 10x + 8
Answer: 2(5x + 4) -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics
Find the mean of: 10, 12, 12, 13, 17
Answer: 12.8