Keystones — Lintel
Five GCSE retrieval questions · 22 May 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Solve: x⁄3 = 8.6666666666667
Answer: x = 26 -
3. Geometry
Opposite = 14cm, adjacent = 11cm. Calculate the angle
Answer: 51.8° -
4. Ratio
Calculate 24.9% of 984
Answer: 245.02 -
5. Statistics
A spinner has 5 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 5⁄17