Syllables

 A syllable is the unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or a part of a word.  

Practice websites:

https://www.usingenglish.com/quizzes/252.html

https://www.esl-lounge.com/student/pronunciation/pr34-pronunciation-how-many-syllables-10.php

https://scoringtarget.com/quiz-on-syllable/

https://www.quia.com/pop/5909.html  

https://www.esl-lounge.com/student/pronunciation/pr53-pronunciation-find-the-most-syllables.php

Syllable divisions https://www.educationquizzes.com/in/primary/english/syllables-1-break-the-word-into-syllables/