Keystones — Capstone
Five GCSE retrieval questions · 6 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄4 + 3⁄4 + 1⁄6
Answer: 7⁄6 -
2. Algebra
Solve: x⁄2 = 4
Answer: x = 8 -
3. Geometry
Adjacent = 23cm, hypotenuse = 37cm. Find the angle
Answer: 51.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 32. If 5 of them are 33, 37, 15, 16, 41, what is the missing number?
Answer: 50