Keystones — Capstone
Five GCSE retrieval questions · 5 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄2 + 4⁄6
Answer: 53⁄30 -
2. Algebra
Solve: x⁄8 = 2.75
Answer: x = 22 -
3. Geometry
Adjacent = 13cm, hypotenuse = 29cm. Find the angle
Answer: 63.4° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 34. If 5 of them are 42, 38, 35, 35, 41, what is the missing number?
Answer: 13