Learn what an arithmetic sequence is and about number patterns in arithmetic sequences with this BBC Bitesize Maths KS3 article. For students aged of 11 and 14.

Learn how to calculate the difference between consecutive terms and verify whether the sequence follows a constant pattern. Understanding arithmetic sequences is crucial for mastering algebra and ...

If the pattern continues, then the next difference will be +6, meaning that the next term is 21 (15 + 6). ... Some sequences have special names. This is a sequence of triangular numbers.