Keystones — Capstone
Five GCSE retrieval questions · 7 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄4 + 4⁄5 + 1⁄3
Answer: 113⁄60 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 23cm, hypotenuse = 34cm. Find the angle
Answer: 47.4° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 29. If 5 of them are 22, 47, 17, 24, 23, what is the missing number?
Answer: 41