Keystones — Lintel
Five GCSE retrieval questions · 26 August 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 97 + ? = 108
Answer: 11 -
2. Algebra
Expand: 8(6x - 8)
Answer: 48x - 64 -
3. Geometry
A circle has area 201.cm². Find its radius (dp)
Answer: 8cm -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
Find the range of: 25, -10, -20, -24, 38
Answer: 62