Keystones — Capstone
Five GCSE retrieval questions · 14 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 504
Answer: 1497 -
2. Algebra
Simplify: 5x - 3x + 7y - 5y
Answer: 2x + 2y -
3. Geometry
Adjacent = 27cm, hypotenuse = 32cm. Find the angle
Answer: 32.5° -
4. Ratio
Calculate 19% of 427
Answer: 81.13 -
5. Statistics
The mean of 4 numbers is 38. If 3 of them are 45, 44, 45, what is the missing number?
Answer: 18