Keystones — Capstone
Five GCSE retrieval questions · 6 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 778
Answer: 1768 -
2. Algebra
Solve: x⁄2 = 9
Answer: x = 18 -
3. Geometry
Adjacent = 30cm, hypotenuse = 47cm. Find the angle
Answer: 50.3° -
4. Ratio
Calculate 28.5% of 862
Answer: 245.67 -
5. Statistics
The mean of 4 numbers is 40. If 3 of them are 32, 32, 17, what is the missing number?
Answer: 79