Keystones — Capstone
Five GCSE retrieval questions · 14 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄3 = 8
Answer: x = 24 -
3. Geometry
Adjacent = 21cm, hypotenuse = 30cm. Find the angle
Answer: 45.6° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄7