Keystones — Capstone
Five GCSE retrieval questions · 21 December 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄2 = 8.5
Answer: x = 17 -
3. Geometry
Adjacent = 18cm, hypotenuse = 31cm. Find the angle
Answer: 54.5° -
4. Ratio
Calculate 30.8% of 519
Answer: 159.85 -
5. Statistics
A spinner has 2 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄13