Keystones — Lintel
Five GCSE retrieval questions · 12 January 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 66 + ? = 123
Answer: 57 -
2. Algebra
Factorise: 3x² + 3x
Answer: 3x(x + 1) -
3. Geometry
Adjacent = 27cm, hypotenuse = 32cm. Find the angle
Answer: 32.5° -
4. Ratio
Calculate 45.6% of 402
Answer: 183.31 -
5. Statistics
Find the range of: 36, 17, -22, 7, 18
Answer: 58