Keystones — Capstone
Five GCSE retrieval questions · 22 October 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
Simplify: 9x - 6x + 4y - 3y
Answer: 3x + y -
3. Geometry
Adjacent = 12cm, hypotenuse = 18cm. Find the angle
Answer: 48.2° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3