Keystones — Lintel
Five GCSE retrieval questions · 11 May 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Factorise: 4x² + 2x
Answer: 2x(2x + 1) -
3. Geometry
Adjacent = 19cm, hypotenuse = 27cm. Find the angle
Answer: 45.3° -
4. Ratio
Find 61% of 228
Answer: 139.08 -
5. Statistics
Calculate the mean of: 22, 49, 43, 19, 35, 26, 23
Answer: 31