Keystones — Capstone
Five GCSE retrieval questions · 8 January 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄8 = 2.625
Answer: x = 21 -
3. Geometry
Adjacent = 16cm, hypotenuse = 28cm. Find the angle
Answer: 55.2° -
4. Ratio
Calculate 40.5% of 326
Answer: 132.03 -
5. Statistics
A spinner has 6 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄8