Keystones — Capstone
Five GCSE retrieval questions · 1 November 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: x⁄8 = 4.75
Answer: x = 38 -
3. Geometry
Adjacent = 27cm, hypotenuse = 36cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 20. If 5 of them are 37, 45, 49, 16, 43, what is the missing number?
Answer: -70