Keystones — Lintel
Five GCSE retrieval questions · 21 April 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: 2x = 26
Answer: x = 13 -
3. Geometry
Find perimeter: adjacent = 25cm, angle = 41°
Answer: 79.8cm -
4. Ratio
Simplify: 24:8:12
Answer: 6:2:3 -
5. Statistics
Find the range of: 1, -16, -16, -26, 30
Answer: 56