Keystones — Capstone
Five GCSE retrieval questions · 5 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 842
Answer: 1835 -
2. Algebra
Solve: x⁄4 = 4.25
Answer: x = 17 -
3. Geometry
Adjacent = 27cm, hypotenuse = 47cm. Find the angle
Answer: 54.9° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 35. If 5 of them are 18, 40, 21, 36, 21, what is the missing number?
Answer: 74