Keystones — Lintel
Five GCSE retrieval questions · 18 April 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 65 + ? = 142
Answer: 77 -
2. Algebra
Solve: x⁄8 = 2.75
Answer: x = 22 -
3. Geometry
Adjacent = 28cm, hypotenuse = 44cm. Find the angle
Answer: 50.5° -
4. Ratio
Calculate 19.9% of 251
Answer: 49.95 -
5. Statistics
Find the range of: -22, 41, 46, 24, 49
Answer: 71