Keystones — Capstone
Five GCSE retrieval questions · 16 November 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
Solve: x⁄6 = 4.5
Answer: x = 27 -
3. Geometry
Adjacent = 28cm, hypotenuse = 38cm. Find the angle
Answer: 42.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 6⁄13