Keystones — Capstone
Five GCSE retrieval questions · 2 January 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Simplify: 11x - 9x + 9y - 2y
Answer: 2x + 7y -
3. Geometry
Adjacent = 30cm, hypotenuse = 47cm. Find the angle
Answer: 50.3° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 35. If 3 of them are 44, 21, 29, what is the missing number?
Answer: 46