Keystones — Capstone
Five GCSE retrieval questions · 6 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 875
Answer: 1870 -
2. Algebra
Simplify: 6x - 3x + 6y - 4y
Answer: 3x + 2y -
3. Geometry
Adjacent = 26cm, hypotenuse = 31cm. Find the angle
Answer: 33° -
4. Ratio
Calculate 40.3% of 367
Answer: 147.9 -
5. Statistics
The mean of 6 numbers is 25. If 5 of them are 15, 50, 47, 37, 30, what is the missing number?
Answer: -29