Keystones — Capstone
Five GCSE retrieval questions · 25 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 515
Answer: 1509 -
2. Algebra
Solve: x⁄6 = 1
Answer: x = 6 -
3. Geometry
Adjacent = 19cm, hypotenuse = 31cm. Find the angle
Answer: 52.2° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 27, 49, 38, 44, what is the missing number?
Answer: 37