Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 34 + 67
Answer: 34 + 67 = 101 -
2. Algebra
Factorise: 15x + 20
Answer: 5(3x + 4) -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 10% of 55
Answer: 5.5 -
5. Statistics
Find the range of: 22, 17, 34, 26, 22
Answer: 17