Keystones — Capstone
Five GCSE retrieval questions · 5 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 1⁄2 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Solve: x⁄5 = 7.2
Answer: x = 36 -
3. Geometry
Adjacent = 24cm, hypotenuse = 35cm. Find the angle
Answer: 46.7° -
4. Ratio
Calculate 47.8% of 209
Answer: 99.9 -
5. Statistics
The mean of 5 numbers is 34. If 4 of them are 48, 33, 20, 32, what is the missing number?
Answer: 37