Keystones — Bedrock
Five GCSE retrieval questions · 13 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 25
Answer: 21 + 25 = 46 -
2. Algebra
Find the midpoint of (2, 6) and (16, 17)
Answer: (9, 11.5) -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
In ratio 5:1, the difference between shares is 68. What are the shares?
Answer: 85 and 17 -
5. Statistics
Find the mean of: 17, 5, 9, 20
Answer: 12.75