Keystones — Capstone
Five GCSE retrieval questions · 11 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 2⁄3 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 16cm, hypotenuse = 28cm. Find the angle
Answer: 55.2° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 25. If 3 of them are 43, 29, 41, what is the missing number?
Answer: -13