Keystones — Lintel
Five GCSE retrieval questions · 6 September 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Calculate the perimeter of a right triangle with sides 10cm and 7cm
Answer: 29.2cm -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
Find the range of: -12, -26, 13, -4, 36
Answer: 62