Keystones — Capstone
Five GCSE retrieval questions · 29 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄2 + 1⁄2
Answer: 8⁄5 -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Adjacent = 28cm, hypotenuse = 37cm. Find the angle
Answer: 40.8° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 33. If 3 of them are 34, 50, 22, what is the missing number?
Answer: 26