Keystones — Capstone
Five GCSE retrieval questions · 3 December 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 21cm, hypotenuse = 35cm. Find the angle
Answer: 53.1° -
4. Ratio
Calculate 15.7% of 247
Answer: 38.78 -
5. Statistics
The mean of 6 numbers is 36. If 5 of them are 34, 43, 16, 41, 40, what is the missing number?
Answer: 42