Keystones — Capstone
Five GCSE retrieval questions · 12 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 834
Answer: 1831 -
2. Algebra
Solve: x⁄2 = 17
Answer: x = 34 -
3. Geometry
Adjacent = 28cm, hypotenuse = 47cm. Find the angle
Answer: 53.4° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 23. If 3 of them are 21, 29, 19, what is the missing number?
Answer: 23