If you are looking for activities and writing practice for the alphabet this is the workbook J for you. Use them however they work for you. Do one or two pages at a time or use them all at once. They're perfect for a week's worth of work.
Your child can study the letter J through this workbook with writing, letter recognization, letter-themed games, build a house out of recycled parts, and sight words.
Practice writing the letters with words that start with J.  You can write as much or little as you want.  You can ask your child to draw a picture of a word and then write the word freehand.  There are 3 letter words and longer.  
Get creative with coloring pages for the letter J and don't forget to draw a few things on the page.
Learn through some letter games and word searches.
Make an activity jar.  
Get active by jumping rope and play with a playdoh mat.
Practice letter J sight words.