Keystones — Capstone
Five GCSE retrieval questions · 6 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄4 + 1⁄3
Answer: 71⁄60 -
2. Algebra
Factorise fully: 4x² + 6x
Answer: 2x(2x + 3) -
3. Geometry
Find the distance between (1, 1) and (9, 6)
Answer: 9.43 -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 29. If 4 of them are 25, 34, 49, 29, what is the missing number?
Answer: 8