Keystones — Lintel
Five GCSE retrieval questions · 13 July 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Factorise: 6x² + 3x
Answer: 3x(2x + 1) -
3. Geometry
Calculate the perimeter of a right triangle with sides 5cm and 5cm
Answer: 17.cm -
4. Ratio
Simplify: 9:15:9
Answer: 3:5:3 -
5. Statistics
Find the range of: -14, 10, 39, 45, 39
Answer: 59