Keystones — Capstone
Five GCSE retrieval questions · 14 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄4 + 1⁄2 + 2⁄4
Answer: 7⁄4 -
2. Algebra
Solve: x⁄6 = 5.3333333333333
Answer: x = 32 -
3. Geometry
Adjacent = 20cm, hypotenuse = 40cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 36. If 5 of them are 50, 38, 29, 29, 20, what is the missing number?
Answer: 50