Keystones — Capstone
Five GCSE retrieval questions · 25 April 2022 · 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
Simplify: 9x - 7x + 5y - 4y
Answer: 2x + y -
3. Geometry
Adjacent = 12cm, hypotenuse = 21cm. Find the angle
Answer: 55.2° -
4. Ratio
Calculate 45.9% of 409
Answer: 187.73 -
5. Statistics
A spinner has 6 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3