Keystones — Lintel
Five GCSE retrieval questions · 19 March 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 288, 160, and 77
Answer: 525 -
2. Algebra
Factorise: 7x² + 3x
Answer: x(7x + 3) -
3. Geometry
Adjacent = 27cm, hypotenuse = 40cm. Find the angle
Answer: 47.5° -
4. Ratio
Simplify: 6:15:15
Answer: 2:5:5 -
5. Statistics
Calculate the mean of: 31, 21, 44, 23, 31, 46, 14
Answer: 30