Keystones — Capstone
Five GCSE retrieval questions · 29 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 1⁄5 + 2⁄3
Answer: 41⁄30 -
2. Algebra
Solve: x⁄2 = 5.5
Answer: x = 11 -
3. Geometry
Adjacent = 28cm, hypotenuse = 43cm. Find the angle
Answer: 49.4° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 25. If 4 of them are 42, 17, 49, 16, what is the missing number?
Answer: 1