Keystones — Capstone
Five GCSE retrieval questions · 21 February 2022 · 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⁄7 = 3.1428571428571
Answer: x = 22 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄7