Keystones — Capstone
Five GCSE retrieval questions · 6 August 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 20cm, hypotenuse = 25cm. Find the angle
Answer: 36.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄2