Keystones — Capstone
Five GCSE retrieval questions · 9 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 3⁄4 + 2⁄5
Answer: 33⁄20 -
2. Algebra
Solve: x⁄3 = 6.6666666666667
Answer: x = 20 -
3. Geometry
Adjacent = 13cm, hypotenuse = 32cm. Find the angle
Answer: 66° -
4. Ratio
Calculate 26.4% of 494
Answer: 130.42 -
5. Statistics
The mean of 5 numbers is 40. If 4 of them are 17, 48, 22, 35, what is the missing number?
Answer: 78