What is the change between pairs of consecutive terms?
5
Practice makes perfect
By observing the change that occurs between consecutive terms, we can determine the common difference of the arithmetic sequence. Here, we can see that each term is 5 more than the previous term.
13+ 5 âź¶18+ 5 âź¶23+ 5 âź¶28+ 5 âź¶...
Therefore, the common difference is 5.