Keystones — Capstone
Five GCSE retrieval questions · 20 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 2⁄3 + 3⁄5
Answer: 8⁄5 -
2. Algebra
Simplify: 6x - 2x + 4y - y
Answer: 4x + 3y -
3. Geometry
Adjacent = 14cm, hypotenuse = 33cm. Find the angle
Answer: 64.9° -
4. Ratio
Calculate 29.4% of 791
Answer: 232.55 -
5. Statistics
The mean of 4 numbers is 22. If 3 of them are 20, 40, 28, what is the missing number?
Answer: 0