Keystones — Capstone
Five GCSE retrieval questions · 13 February 2025 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄3 = 8.3333333333333
Answer: x = 25 -
3. Geometry
Adjacent = 28cm, hypotenuse = 35cm. Find the angle
Answer: 36.9° -
4. Ratio
Calculate 36.2% of 945
Answer: 342.09 -
5. Statistics
A spinner has 3 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3