Keystones — Capstone
Five GCSE retrieval questions · 30 June 2026 · mathsvault.uk/keystones
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1. Number
The temperature is -15°C. It rises by 16°C. What is the new temperature?
Answer: 1°C -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 21cm, hypotenuse = 35cm. Find the angle
Answer: 53.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 36. If 3 of them are 32, 44, 33, what is the missing number?
Answer: 35