Keystones — Capstone
Five GCSE retrieval questions · 21 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 650
Answer: 1642 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio
Calculate 49.4% of 983
Answer: 485.6 -
5. Statistics
The mean of 6 numbers is 22. If 5 of them are 35, 49, 16, 42, 50, what is the missing number?
Answer: -60