Keystones — Capstone
Five GCSE retrieval questions · 9 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Solve: x⁄8 = 1.625
Answer: x = 13 -
3. Geometry
Adjacent = 22cm, hypotenuse = 42cm. Find the angle
Answer: 58.4° -
4. Ratio
Calculate 43.2% of 279
Answer: 120.53 -
5. Statistics
A spinner has 5 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄13