Keystones — Capstone
Five GCSE retrieval questions · 12 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 869
Answer: 1860 -
2. Algebra
Simplify: 10x - 6x + 9y - 6y
Answer: 4x + 3y -
3. Geometry
Adjacent = 29cm, hypotenuse = 46cm. Find the angle
Answer: 50.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 28. If 5 of them are 24, 36, 48, 18, 38, what is the missing number?
Answer: 4