Keystones — Lintel
Five GCSE retrieval questions · 13 October 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 41 + ? = 108
Answer: 67 -
2. Algebra
Solve: 6x = 54
Answer: x = 9 -
3. Geometry
Adjacent = 14cm, hypotenuse = 30cm. Find the angle
Answer: 62.2° -
4. Ratio
Find 67% of 438
Answer: 293.46 -
5. Statistics
Calculate the mean of: 12, 36, 47, 6, 29, 36
Answer: 27.7