Keystones — Capstone
Five GCSE retrieval questions · 7 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 4⁄5 + 2⁄5
Answer: 17⁄10 -
2. Algebra
Simplify: 8x - 6x + 8y - y
Answer: 2x + 7y -
3. Geometry
Adjacent = 20cm, hypotenuse = 32cm. Find the angle
Answer: 51.3° -
4. Ratio
Calculate 49.4% of 564
Answer: 278.62 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 41, 17, 18, what is the missing number?
Answer: 52