Keystones — Capstone
Five GCSE retrieval questions · 8 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 698
Answer: 1692 -
2. Algebra
Solve: x⁄4 = 4
Answer: x = 16 -
3. Geometry
Adjacent = 20cm, hypotenuse = 31cm. Find the angle
Answer: 49.8° -
4. Ratio
Calculate 20% of 973
Answer: 194.6 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 48, 42, 36, 22, 17, what is the missing number?
Answer: -3