Keystones — Capstone
Five GCSE retrieval questions · 13 June 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 14cm, hypotenuse = 33cm. Find the angle
Answer: 64.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 24. If 5 of them are 37, 17, 15, 33, 37, what is the missing number?
Answer: 5