Need advice about rhythm training

[tombikadam]

The students' music theory is very weak, especially rhythm is a big problem, is there a method or book to fix this? They don't know which note comes on which beat

[escaperoad]

Yoy can try starting with simple exercises where students clap the rhythm while counting aloud. This builds a strong connection between beats and note values.

[keypeg]

The students' music theory is very weak, especially rhythm is a big problem, is there a method or book to fix this? They don't know which note comes on which beat

If you're the teacher than you have to analyze/figure out what the student knows and doesn't know, what needs to be built, at which level.  You don't start with a method book.  You start with what needs to be taught, and then look for tools to help you. As teacher, you created the program, which in one-on-one is both planned but loose and interactive.

[plukmusic]

I would suggest that they write in the counts and tap and count the rhythms out loud. I've got some more instructions here if you're interested. https://www.pianolessonsuk.co.uk/pianolessonsuk-blog/sight-reading-tips-grades-1-and-2-abrsm