Keystones — Capstone
Five GCSE retrieval questions · 28 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 615
Answer: 1605 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Calculate 23.5% of 814
Answer: 191.29 -
5. Statistics
The mean of 6 numbers is 34. If 5 of them are 36, 49, 29, 46, 31, what is the missing number?
Answer: 13