Keystones — Capstone
Five GCSE retrieval questions · 27 May 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Simplify: 9x - 4x + 6y - 3y
Answer: 5x + 3y -
3. Geometry
Adjacent = 15cm, hypotenuse = 29cm. Find the angle
Answer: 58.9° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 26. If 3 of them are 50, 39, 48, what is the missing number?
Answer: -33