Keystones — Capstone
Five GCSE retrieval questions · 24 October 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⁄4 = 4.75
Answer: x = 19 -
3. Geometry
Adjacent = 13cm, hypotenuse = 21cm. Find the angle
Answer: 51.8° -
4. Ratio
Calculate 37.3% of 866
Answer: 323.02 -
5. Statistics
A spinner has 6 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 6⁄17