Keystones — Capstone
Five GCSE retrieval questions · 11 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 2⁄4 + 2⁄4
Answer: 3⁄2 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 28cm, hypotenuse = 43cm. Find the angle
Answer: 49.4° -
4. Ratio
Calculate 21.4% of 932
Answer: 199.45 -
5. Statistics
The mean of 6 numbers is 31. If 5 of them are 27, 42, 18, 15, 46, what is the missing number?
Answer: 38