Keystones — Capstone
Five GCSE retrieval questions · 17 September 2024 · 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⁄7 = 4
Answer: x = 28 -
3. Geometry
Adjacent = 28cm, hypotenuse = 46cm. Find the angle
Answer: 52.5° -
4. Ratio
Calculate 31.8% of 855
Answer: 271.89 -
5. Statistics
A spinner has 2 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄13