Keystones — Lintel
Five GCSE retrieval questions · 13 March 2025 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
For y = 4x³ + 13, find y when x = 2
Answer: y = 45 -
3. Geometry
Adjacent = 24cm, hypotenuse = 43cm. Find the angle
Answer: 56.1° -
4. Ratio
Calculate 12.2% of 782
Answer: 95.4 -
5. Statistics
Calculate the mean of: 40, 14, 25, 22, 19, 44, 8
Answer: 24.6