Keystones — Capstone
Five GCSE retrieval questions · 3 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 1⁄2 + 2⁄3
Answer: 5⁄3 -
2. Algebra
Solve: x⁄5 = 2.8
Answer: x = 14 -
3. Geometry
Adjacent = 13cm, hypotenuse = 20cm. Find the angle
Answer: 49.5° -
4. Ratio
Calculate 30.2% of 632
Answer: 190.86 -
5. Statistics
The mean of 6 numbers is 38. If 5 of them are 48, 27, 38, 17, 25, what is the missing number?
Answer: 73