Keystones — Capstone
Five GCSE retrieval questions · 21 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 810
Answer: 1805 -
2. Algebra
Solve: x⁄4 = 6
Answer: x = 24 -
3. Geometry
Find c if a = 16cm and b = 24cm in a right triangle
Answer: 28.8cm -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 31. If 5 of them are 46, 47, 46, 29, 29, what is the missing number?
Answer: -11