Keystones — Capstone
Five GCSE retrieval questions · 4 April 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Expand: 8(5x - 5)
Answer: 40x - 40 -
3. Geometry
Adjacent = 16cm, hypotenuse = 21cm. Find the angle
Answer: 40.4° -
4. Ratio
Calculate 49.1% of 594
Answer: 291.65 -
5. Statistics
A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4