Keystones — Capstone
Five GCSE retrieval questions · 7 June 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Solve: x⁄5 = 7.6
Answer: x = 38 -
3. Geometry
Adjacent = 15cm, hypotenuse = 26cm. Find the angle
Answer: 54.8° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 31. If 3 of them are 48, 44, 35, what is the missing number?
Answer: -3