Keystones — Capstone
Five GCSE retrieval questions · 10 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 657
Answer: 1653 -
2. Algebra
Solve: x⁄6 = 3.5
Answer: x = 21 -
3. Geometry
Adjacent = 19cm, hypotenuse = 31cm. Find the angle
Answer: 52.2° -
4. Ratio
Calculate 22.3% of 862
Answer: 192.23 -
5. Statistics
The mean of 5 numbers is 30. If 4 of them are 18, 48, 32, 17, what is the missing number?
Answer: 35