Keystones — Capstone
Five GCSE retrieval questions · 9 September 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Simplify: 33x²y³ ÷ 6xy²
Answer: 5.5xy -
3. Geometry
Adjacent = 29cm, hypotenuse = 34cm. Find the angle
Answer: 31.5° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 17, 15, 26, 28, 49, what is the missing number?
Answer: 27