Keystones — Lintel
Five GCSE retrieval questions · 7 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 812
Answer: 1805 -
2. Algebra
Solve: 5x = 70
Answer: x = 14 -
3. Geometry
Adjacent = 21cm, hypotenuse = 36cm. Find the angle
Answer: 54.3° -
4. Ratio
Simplify: 8:12:10
Answer: 4:6:5 -
5. Statistics
Calculate the mean of: 46, 5, 39, 13, 5, 44, 10, 45
Answer: 25.9