Keystones — Capstone
Five GCSE retrieval questions · 24 February 2023 · mathsvault.uk/keystones
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1. Number
Three lengths are 2.49m, 3.11m and 3.02m. What is their total length?
Answer: 8.62m -
2. Algebra
Solve: x⁄2 = 18.5
Answer: x = 37 -
3. Geometry
Adjacent = 20cm, hypotenuse = 26cm. Find the angle
Answer: 39.7° -
4. Ratio
Calculate 35.8% of 417
Answer: 149.29 -
5. Statistics
The mean of 5 numbers is 27. If 4 of them are 28, 23, 32, 34, what is the missing number?
Answer: 18