Keystones — Lintel
Five GCSE retrieval questions · 17 September 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 7x + 4 = 2x - 4
Answer: x = 1.6 -
3. Geometry
Adjacent = 18cm, hypotenuse = 34cm. Find the angle
Answer: 58° -
4. Ratio
Simplify: 9:15:18
Answer: 3:5:6 -
5. Statistics
Calculate the mean of: 28, 26, 30, 27, 38, 49, 48, 44
Answer: 36.3