Keystones — Lintel
Five GCSE retrieval questions · 1 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 293 + 270
Answer: 293 + 270 = 563 -
2. Algebra
Solve: 3x = 21
Answer: x = 7 -
3. Geometry
A circle has area 615.8cm². Find its radius (dp)
Answer: 14cm -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Find the range of: 17, -11, -13, -1, 25
Answer: 38