Keystones — Lintel
Five GCSE retrieval questions · 14 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: -3 + (-15) + (-12)
Answer: -30 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
A circle has area 380.cm². Find its radius (dp)
Answer: 11cm -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Find the range of: -21, 48, 17, -6, 0
Answer: 69