Keystones — Capstone
Five GCSE retrieval questions · 2 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄4 + 5⁄6
Answer: 101⁄60 -
2. Algebra
Solve: x⁄7 = 3.7142857142857
Answer: x = 26 -
3. Geometry
Adjacent = 20cm, hypotenuse = 30cm. Find the angle
Answer: 48.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 28. If 4 of them are 39, 50, 29, 22, what is the missing number?
Answer: 0