Keystones — Capstone
Five GCSE retrieval questions · 31 January 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
Factorise fully: 8x² + 8x
Answer: 4x(2x + 2) -
3. Geometry
Adjacent = 13cm, hypotenuse = 33cm. Find the angle
Answer: 66.8° -
4. Ratio
Calculate 39.8% of 742
Answer: 295.32 -
5. Statistics
A spinner has 5 red, 4 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄14