Keystones — Capstone
Five GCSE retrieval questions · 1 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 627
Answer: 1626 -
2. Algebra
Solve: x⁄3 = 8.6666666666667
Answer: x = 26 -
3. Geometry
Adjacent = 23cm, hypotenuse = 30cm. Find the angle
Answer: 39.9° -
4. Ratio
Calculate 15.7% of 942
Answer: 147.89 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 43, 44, 23, 48, 35, what is the missing number?
Answer: -31