While kindergarten is learning the consonant sound for the letter y,  Grade 1 will look at when the letter y sounds like i or e. Check out these videos:

 https://www.youtube.com/watch?v=4pdmaKQauXc(link is external)

Y is saying i: https://www.youtube.com/watch?v=vtbqXjsoejI(link is external)

Y is saying e: https://www.youtube.com/watch?v=GaV_YkkGARM(link is external)