Keystones — Lintel
Five GCSE retrieval questions · 10 April 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 38 + ? = 146
Answer: 108 -
2. Algebra
Solve: x⁄6 = 2.5
Answer: x = 15 -
3. Geometry
Adjacent = 21cm, hypotenuse = 37cm. Find the angle
Answer: 55.4° -
4. Ratio
Find 74% of 54
Answer: 39.96 -
5. Statistics
Calculate the mean of: 20, 47, 50, 37, 11, 16
Answer: 30.2