Alexis, thanks for your question. We have several options that should help you help your son with his 4th grade math. In our Print and Use Tools section, you'll find several math worksheets
that you can print out and have your son complete. We also have a comprehensive article on what to expect in academics in 4th grade
. Finally, we have a quiz
you can take that shows 4th grade curriculum standards in schools across the country. Hope this all helps!