How many phonemes are in the word children?

* ch - /tʃ/ (one phoneme)

* i - /ɪ/ (one phoneme)

* l - /l/ (one phoneme)

* d - /d/ (one phoneme)

* r - /r/ (one phoneme)

* e - /ɛ/ (one phoneme)

* n - /n/ (one phoneme)

Therefore, the word "children" has 7 phonemes.