There are a couple of different ways to get your worksheets, the first is to go to any near by retail store and buy them. The second way is to go to www.education.com/worksheets.
Go to holidayworksheets dot com to find some thanksgiving worksheets. They also have worksheets for the other holidays of the year. Your class will love them.
You can find some verb worksheets for my students on amazon, ebay, and other sites like jcpenny, walmart, sears and sack and save and hobby lobby and mardel.
You can find some good measurement worksheets which should help you teach your 4th grade students all about measurements here at the following web address: www.education.com/worksheets/measurement/
There are some great websites online such as MySchoolHouse.com that allow you to use online worksheets. You can also purchase textbooks full of worksheets.
I found some nice simile worksheets at readingworks dot com. They have a good selection and the printing is free. Your students will like using them in class.
This website offers conjunction worksheets, http://www.worksheetlibrary.com/subjects/languagearts/partsofspeech/conjunctions/. There are worksheets that are free and for paid members only.
You can find summarizing worksheets at the following sites I found for you to use for your students. I hope these sites can help you. scimath.unl.edu/ , and www.tlsbooks.com/
If you want practice worksheets for high school students , just go to http://havefunteaching.com/worksheets/english-worksheets/alphabetical-order-worksheets/. Once there just select the worksheets wanted.
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.
You can find math worksheets for sixth grade students at www.homeschoolmath.net. These worksheets cover a variety of topics such as decimals, fractions, and equations.
You can find a lot of social studies worksheets for your students at socialstudiesworksheets dot com. That site is the best to find what you need for your students.
You can find worksheets for students to fill out almost anywhere. When you look, there will be tons of worksheets for students practice. Look in local stores. And best of all, creating them with your own brain.