Keystones — Capstone
Five GCSE retrieval questions · 15 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 3⁄6 + 1⁄5
Answer: 31⁄30 -
2. Algebra
Solve: x⁄2 = 16.5
Answer: x = 33 -
3. Geometry
Adjacent = 17cm, hypotenuse = 37cm. Find the angle
Answer: 62.6° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 32. If 5 of them are 28, 38, 44, 38, 27, what is the missing number?
Answer: 17