Keystones — Bedrock
Five GCSE retrieval questions · 20 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 15 + 43
Answer: 15 + 43 = 58 -
2. Algebra
Factorise: 6x + 16
Answer: 2(3x + 8) -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 5:1, the difference between shares is 60. What are the shares?
Answer: 75 and 15 -
5. Statistics
Find the range of: 23, 17, 7, 9, 20
Answer: 16