Keystones — Capstone
Five GCSE retrieval questions · 14 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Factorise fully: 12x² + 15x
Answer: 3x(4x + 5) -
3. Geometry
Adjacent = 25cm, hypotenuse = 35cm. Find the angle
Answer: 44.4° -
4. Ratio
Calculate 27.3% of 741
Answer: 202.29 -
5. Statistics
A spinner has 3 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄14