Keystones — Capstone
Five GCSE retrieval questions · 18 June 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Expand: 5(6x - 6)
Answer: 30x - 30 -
3. Geometry
Adjacent = 28cm, hypotenuse = 42cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 26% of 605
Answer: 157.3 -
5. Statistics
A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄13