Keystones — Capstone
Five GCSE retrieval questions · 7 August 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 15cm, hypotenuse = 31cm. Find the angle
Answer: 61.1° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄3