Unless otherwise noted the printables for this unit came from J is for Jellyfish at 1+1+1=1.
Letter Jj tray
Jj playdough sheet
matching J and j
Montessori ocean match
J magnet page with small flat rocks
J do a dot
The magnet pages in the two above pictures came from Learning is Fun
Counting - one to one correspondence
Shape matching
Books to read - Jellyfish and their relatives