Keystones — Capstone
Five GCSE retrieval questions · 9 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 504
Answer: 1499 -
2. Algebra
Simplify: 7x - 4x + 7y - 5y
Answer: 3x + 2y -
3. Geometry
Adjacent = 25cm, hypotenuse = 32cm. Find the angle
Answer: 38.6° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 30. If 4 of them are 23, 45, 24, 41, what is the missing number?
Answer: 17