Keystones — Capstone
Five GCSE retrieval questions · 7 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 1⁄3 + 1⁄2
Answer: 7⁄6 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 26cm, hypotenuse = 34cm. Find the angle
Answer: 40.1° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 34. If 4 of them are 19, 50, 46, 16, what is the missing number?
Answer: 39