Keystones — Capstone
Five GCSE retrieval questions · 9 February 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Simplify: 6x - 5x + 9y - y
Answer: x + 8y -
3. Geometry
Adjacent = 17cm, hypotenuse = 25cm. Find the angle
Answer: 47.2° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄7