Keystones — Capstone
Five GCSE retrieval questions · 7 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 1⁄2 + 2⁄6
Answer: 7⁄6 -
2. Algebra
Simplify: 12x - 8x + 10y - 5y
Answer: 4x + 5y -
3. Geometry
Adjacent = 22cm, hypotenuse = 30cm. Find the angle
Answer: 42.8° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 27. If 4 of them are 48, 37, 28, 16, what is the missing number?
Answer: 6