Keystones — Capstone
Five GCSE retrieval questions · 22 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Factorise fully: 25x² + 30x
Answer: 5x(5x + 6) -
3. Geometry
Adjacent = 14cm, hypotenuse = 21cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 34.9% of 960
Answer: 335.04 -
5. Statistics
A spinner has 5 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3