Keystones — Capstone
Five GCSE retrieval questions · 1 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 4⁄6 + 1⁄6
Answer: 4⁄3 -
2. Algebra
Solve: x⁄8 = 1.75
Answer: x = 14 -
3. Geometry
Adjacent = 19cm, hypotenuse = 36cm. Find the angle
Answer: 58.1° -
4. Ratio
Calculate 49.6% of 924
Answer: 458.3 -
5. Statistics
The mean of 5 numbers is 38. If 4 of them are 17, 21, 23, 29, what is the missing number?
Answer: 100