Keystones — Capstone
Five GCSE retrieval questions · 30 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 560
Answer: 1550 -
2. Algebra
Solve: x⁄4 = 7
Answer: x = 28 -
3. Geometry
Adjacent = 14cm, hypotenuse = 22cm. Find the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 28, 41, 20, what is the missing number?
Answer: 39