Keystones — Capstone
Five GCSE retrieval questions · 25 June 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 24cm, hypotenuse = 42cm. Find the angle
Answer: 55.2° -
4. Ratio
Calculate 25.6% of 500
Answer: 128 -
5. Statistics
The mean of 4 numbers is 39. If 3 of them are 19, 45, 39, what is the missing number?
Answer: 53