Keystones — Capstone
Five GCSE retrieval questions · 28 November 2022 · mathsvault.uk/keystones
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1. Number
Three lengths are 4.07m, 1.42m and 4.67m. What is their total length?
Answer: 10.16m -
2. Algebra
Simplify: 7x - 2x + 10y - 9y
Answer: 5x + y -
3. Geometry
Adjacent = 26cm, hypotenuse = 40cm. Find the angle
Answer: 49.5° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 26. If 4 of them are 25, 31, 26, 38, what is the missing number?
Answer: 10