Keystones — Capstone
Five GCSE retrieval questions · 28 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 890
Answer: 1889 -
2. Algebra
Solve: x⁄8 = 5
Answer: x = 40 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 25. If 4 of them are 42, 24, 29, 15, what is the missing number?
Answer: 15