Keystones — Capstone
Five GCSE retrieval questions · 18 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄3 + 1⁄2 + 1⁄2
Answer: 5⁄3 -
2. Algebra
Solve: x⁄5 = 2.8
Answer: x = 14 -
3. Geometry
Adjacent = 13cm, hypotenuse = 29cm. Find the angle
Answer: 63.4° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 40. If 5 of them are 17, 44, 41, 45, 46, what is the missing number?
Answer: 47