Keystones — Capstone
Five GCSE retrieval questions · 28 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄4 + 2⁄4 + 1⁄3
Answer: 13⁄12 -
2. Algebra
Solve: x⁄4 = 4.5
Answer: x = 18 -
3. Geometry
Find the distance between (0, 2) and (7, 11)
Answer: 11.4 -
4. Ratio
Calculate 39% of 996
Answer: 388.44 -
5. Statistics
The mean of 4 numbers is 22. If 3 of them are 20, 46, 26, what is the missing number?
Answer: -4