Keystones — Lintel
Five GCSE retrieval questions · 15 July 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Solve: x⁄5 = 3.8
Answer: x = 19 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄7