Keystones — Capstone
Five GCSE retrieval questions · 7 May 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄8 = 4.875
Answer: x = 39 -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Calculate 36.6% of 234
Answer: 85.64 -
5. Statistics
The mean of 5 numbers is 27. If 4 of them are 24, 48, 25, 36, what is the missing number?
Answer: 2