Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 47 + 26
Answer: 47 + 26 = 73 -
2. Algebra
Factorise: 18x + 30
Answer: 6(3x + 5) -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics
Find the mean of: 13, 19, 12, 7
Answer: 12.75