Keystones — Capstone
Five GCSE retrieval questions · 5 June 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Solve: x⁄5 = 1.4
Answer: x = 7 -
3. Geometry
Adjacent = 12cm, hypotenuse = 25cm. Find the angle
Answer: 61.3° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 28. If 5 of them are 37, 28, 49, 22, 19, what is the missing number?
Answer: 13