Keystones — Capstone
Five GCSE retrieval questions · 25 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄5 + 1⁄2 + 1⁄4
Answer: 23⁄20 -
2. Algebra
Solve: x⁄3 = 13.333333333333
Answer: x = 40 -
3. Geometry
Adjacent = 27cm, hypotenuse = 36cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 35. If 4 of them are 16, 25, 33, 30, what is the missing number?
Answer: 71