Keystones — Capstone
Five GCSE retrieval questions · 25 January 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Solve: x⁄4 = 4.75
Answer: x = 19 -
3. Geometry
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio
Calculate 25% of 328
Answer: 82 -
5. Statistics
A spinner has 2 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄11