Keystones — Capstone
Five GCSE retrieval questions · 11 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 684
Answer: 1682 -
2. Algebra
Factorise fully: 25x² + 35x
Answer: 5x(5x + 7) -
3. Geometry
Adjacent = 26cm, hypotenuse = 44cm. Find the angle
Answer: 53.8° -
4. Ratio
Calculate 37.6% of 534
Answer: 200.78 -
5. Statistics
The mean of 4 numbers is 34. If 3 of them are 48, 36, 45, what is the missing number?
Answer: 7