Keystones — Capstone
Five GCSE retrieval questions · 10 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 1⁄2 + 2⁄5
Answer: 7⁄5 -
2. Algebra
Solve: x⁄5 = 7.6
Answer: x = 38 -
3. Geometry
Adjacent = 17cm, hypotenuse = 28cm. Find the angle
Answer: 52.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 32. If 4 of them are 27, 37, 36, 49, what is the missing number?
Answer: 11