Keystones — Capstone
Five GCSE retrieval questions · 15 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 889
Answer: 1883 -
2. Algebra
Solve: x⁄6 = 6.1666666666667
Answer: x = 37 -
3. Geometry
Adjacent = 13cm, hypotenuse = 19cm. Find the angle
Answer: 46.8° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 31. If 4 of them are 27, 36, 30, 21, what is the missing number?
Answer: 41