Keystones — Lintel
Five GCSE retrieval questions · 26 December 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Factorise: 6x² + 8x
Answer: 2x(3x + 4) -
3. Geometry
Opposite = 11cm, adjacent = 15cm. Calculate the angle
Answer: 36.3° -
4. Ratio
Simplify: 16:20:16
Answer: 4:5:4 -
5. Statistics
Find the range of: -22, 18, -28, 0, 40
Answer: 68