Keystones — Capstone
Five GCSE retrieval questions · 9 July 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Solve: x⁄4 = 1.75
Answer: x = 7 -
3. Geometry
Adjacent = 15cm, hypotenuse = 28cm. Find the angle
Answer: 57.6° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄13