Keystones — Capstone
Five GCSE retrieval questions · 15 September 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 995 + 777
Answer: 1772 -
2. Algebra
Simplify: 5x - 3x + 8y - 5y
Answer: 2x + 3y -
3. Geometry
Adjacent = 24cm, hypotenuse = 44cm. Find the angle
Answer: 56.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 20. If 4 of them are 43, 50, 46, 36, what is the missing number?
Answer: -75