Your son does not need to struggle because there are some great online sources for phonics worksheets. The best website for phonics worksheets is free-phonics-worksheets.com.
On the website softschool.com, go in the section"free phonics worksheet online and start the worksheet.It's really easy and everyone can do that.It' really easy.
You can find super worksheets on the website at superteacherworkingsheets.com. This is one of the best websites to this purpose. This website fabulous-fourth.blogspot.com/p/favorite-sites.html also gives you some good information and help.
There are various places which can help you find good adjective worksheets. One of them is education . com which offers wide range of help for teachers and students. I would recommend this website.
This website would be great for learning more about math exponents and practicing: http://www.mathworksheets4kids.com/exponents.html. There are some great activities for homophones on this website: http://havefunteaching.com/worksheets/english-worksheets/homophones-worksheets/.
Most of the textbooks teachers use have a website. If you go on the website you may be able to find printable worksheets different from what is in the textbook. You can also make some worksheets up yourself.
Worksheets are a great way to give your preschooler some fun and also get them ready for Kindergarten! This website has worksheets for the early grades, and their preschool ones are very fun! http://www.education.com/worksheets/preschool/ This website has their worksheets organized by subject and only has them for preschool and kindergarten, so you may actually be able to prep your daughter for things she'll need to know next year! http://kidslearningstation.com/
www.schoolsparks.com/kindergarten-worksheets is a good place to find worksheets. There are some free worksheets available to download and there is also a workbook of worksheets available for purchase.
The website www.homeschoolmath.net has many worksheets that can be printed to assist with teaching children how to count money. These worksheets are free to print.
This website offers conjunction worksheets, http://www.worksheetlibrary.com/subjects/languagearts/partsofspeech/conjunctions/. There are worksheets that are free and for paid members only.
I found a website called http://www.homeschoolmath.net/ that has some fun worksheets on it. All you have to do is click the link to the next page that has the worksheets on it.
You can find kindergarten worksheets at teacher supply stores. They offer a variety of worksheets including math, science, and writing. You can also find some online at website like Scholastics Printables.
There are good exercises , applicable to people of all ages to be found on the website WWW.self-esteem-experts.com , these exercises are fully available , for free . Also on the website WWW.psychologytools.org there are free handouts and worksheets to print off and use for any purposes.