Keystones — Capstone
Five GCSE retrieval questions · 18 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: x⁄5 = 1.8
Answer: x = 9 -
3. Geometry
Adjacent = 16cm, hypotenuse = 34cm. Find the angle
Answer: 61.9° -
4. Ratio
Calculate 46.9% of 440
Answer: 206.36 -
5. Statistics
A spinner has 5 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3