Keystones — Capstone
Five GCSE retrieval questions · 29 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 688
Answer: 1681 -
2. Algebra
Solve: x⁄2 = 14
Answer: x = 28 -
3. Geometry
Adjacent = 21cm, hypotenuse = 41cm. Find the angle
Answer: 59.2° -
4. Ratio
Calculate 21.5% of 732
Answer: 157.38 -
5. Statistics
The mean of 4 numbers is 35. If 3 of them are 25, 28, 27, what is the missing number?
Answer: 60