Keystones — Lintel
Five GCSE retrieval questions · 10 April 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: 5x = 35
Answer: x = 7 -
3. Geometry
Calculate the hypotenuse when a = 8cm and b = 9cm
Answer: 12.04cm -
4. Ratio
Calculate 42.5% of 897
Answer: 381.23 -
5. Statistics
Find the range of: 41, 14, -24, 12, 40
Answer: 65