Keystones — Capstone
Five GCSE retrieval questions · 7 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 1⁄6 + 2⁄3
Answer: 7⁄6 -
2. Algebra
Solve: x⁄2 = 16.5
Answer: x = 33 -
3. Geometry
Adjacent = 12cm, hypotenuse = 26cm. Find the angle
Answer: 62.5° -
4. Ratio
Calculate 14.9% of 339
Answer: 50.51 -
5. Statistics
The mean of 5 numbers is 32. If 4 of them are 40, 34, 43, 22, what is the missing number?
Answer: 21