Keystones — Capstone
Five GCSE retrieval questions · 22 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄2 = 19
Answer: x = 38 -
3. Geometry
Adjacent = 29cm, hypotenuse = 48cm. Find the angle
Answer: 52.8° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 26. If 3 of them are 22, 18, 26, what is the missing number?
Answer: 38