Keystones — Capstone
Five GCSE retrieval questions · 6 February 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Factorise fully: 15x² + 6x
Answer: 3x(5x + 2) -
3. Geometry
Adjacent = 13cm, hypotenuse = 26cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄13