Keystones — Capstone
Five GCSE retrieval questions · 28 March 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄2 = 4
Answer: x = 8 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄14