Keystones — Capstone
Five GCSE retrieval questions · 9 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 540
Answer: 1531 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 18cm, hypotenuse = 26cm. Find the angle
Answer: 46.2° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 31. If 3 of them are 19, 30, 47, what is the missing number?
Answer: 28