Keystones — Lintel
Five GCSE retrieval questions · 9 March 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 94 + ? = 146
Answer: 52 -
2. Algebra
Solve: 2x = 30
Answer: x = 15 -
3. Geometry
Adjacent = 28cm, hypotenuse = 44cm. Find the angle
Answer: 50.5° -
4. Ratio
Calculate 28.5% of 742
Answer: 211.47 -
5. Statistics
Calculate the mean of: 33, 46, 32, 35, 13, 11, 24
Answer: 27.7