Keystones — Capstone
Five GCSE retrieval questions · 20 July 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Factorise fully: 6x² + 4x
Answer: 2x(3x + 2) -
3. Geometry
Adjacent = 22cm, hypotenuse = 32cm. Find the angle
Answer: 46.6° -
4. Ratio
Calculate 21% of 909
Answer: 190.89 -
5. Statistics
A spinner has 6 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄17