Keystones — Capstone
Five GCSE retrieval questions · 21 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: x⁄2 = 18
Answer: x = 36 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Calculate 29.2% of 244
Answer: 71.25 -
5. Statistics
A spinner has 3 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄11