Keystones — Capstone
Five GCSE retrieval questions · 14 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 752
Answer: 1744 -
2. Algebra
Simplify: 21x²y³ ÷ 3xy²
Answer: 7xy -
3. Geometry
Adjacent = 22cm, hypotenuse = 32cm. Find the angle
Answer: 46.6° -
4. Ratio
Calculate 32.1% of 831
Answer: 266.75 -
5. Statistics
The mean of 6 numbers is 35. If 5 of them are 48, 19, 21, 50, 49, what is the missing number?
Answer: 23