Keystones — Lintel
Five GCSE retrieval questions · 12 February 2025 · mathsvault.uk/keystones
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1. Number
Add: 3⁄6 + 3⁄4
Answer: 5⁄4 -
2. Algebra
Solve: x⁄7 = 5
Answer: x = 35 -
3. Geometry
Calculate the area of a circle with diameter 11cm
Answer: 95.03cm² -
4. Ratio
Simplify: 12:15:15
Answer: 4:5:5 -
5. Statistics
A spinner has 6 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 6⁄17