Keystones — Capstone
Five GCSE retrieval questions · 21 March 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: x⁄2 = 4.5
Answer: x = 9 -
3. Geometry
Adjacent = 26cm, hypotenuse = 35cm. Find the angle
Answer: 42° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄4