Keystones — Capstone
Five GCSE retrieval questions · 22 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: x⁄6 = 6.3333333333333
Answer: x = 38 -
3. Geometry
Adjacent = 30cm, hypotenuse = 40cm. Find the angle
Answer: 41.4° -
4. Ratio
Calculate 18.3% of 342
Answer: 62.59 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 49, 35, 46, 39, what is the missing number?
Answer: 26