tran - si - tion - al
There are many reasons to learn how to divide transitional into syllables. Separating a word like transitional into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the transitional into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate transitional into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce transitional more accurately. Furthermore, separating transitional into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word transitional, we find that when separating into syllables the resulting number of syllables is 4. With this in mind, it's much easier to learn how to pronounce transitional, as we can focus on perfecting the syllabic pronunciation before trying to pronounce transitional in full or within a sentence. Likewise, this breakdown of transitional into syllables makes it easier for us to remember how to write it.