Keystones — Capstone
Five GCSE retrieval questions · 23 June 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Solve: x⁄5 = 7.2
Answer: x = 36 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄7