Keystones — Capstone
Five GCSE retrieval questions · 25 March 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, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 28cm, hypotenuse = 42cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 43.9% of 217
Answer: 95.26 -
5. Statistics
The mean of 6 numbers is 24. If 5 of them are 37, 48, 17, 49, 46, what is the missing number?
Answer: -53