Of all the ideas we’ve forgotten from math class, the most important to relearn – because it illuminates our most urgent challenges – is the difference between arithmetic and geometric progressions.

Of all the ideas we've forgotten from math class, the most important to relearn — because it illuminates our most urgent challenges — is the difference between arithmetic and geometric progressions.

Several papers have investigated sequences which have no k-term arithmetic progressions, finding bounds on their density and looking at sequences generated by greedy algorithms. Rankin in 1960 ...

Learn about number patterns in arithmetic sequences with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Finding the 𝒏th term of an arithmetic sequence Learn how to find ...