Keystones — Capstone
Five GCSE retrieval questions · 18 February 2023 · 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
Simplify: 10x - 9x + 7y - 5y
Answer: x + 2y -
3. Geometry
Adjacent = 30cm, hypotenuse = 45cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 47.4% of 960
Answer: 455.04 -
5. Statistics
A spinner has 6 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄17