Keystones — Lintel
Five GCSE retrieval questions · 14 May 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
What is the next term? 2, 8, 32, 128, ...
Answer: 512 -
3. Geometry
Find the distance between (-4, -5) and (12, 10)
Answer: 21.93 -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 37, 40, 22, 31, 47, 44
Answer: 36.8