Keystones — Capstone
Five GCSE retrieval questions · 15 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 833
Answer: 1832 -
2. Algebra
Simplify: 10x - 6x + 8y - 7y
Answer: 4x + y -
3. Geometry
Adjacent = 13cm, hypotenuse = 33cm. Find the angle
Answer: 66.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 40. If 5 of them are 49, 29, 30, 26, 20, what is the missing number?
Answer: 86