Keystones — Capstone
Five GCSE retrieval questions · 7 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 2⁄4 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Solve: x⁄7 = 1.7142857142857
Answer: x = 12 -
3. Geometry
Find the distance between (-2, -5) and (7, 7)
Answer: 15 -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 17, 38, 46, 43, 28, what is the missing number?
Answer: 26