http://havefunteaching.com/worksheets/reading-worksheets/summarizing-worksheets/ has great summarizing worksheets available for you to use. it's easy to navigate through so you won't have any problem finding what you need.
Summarizing worksheets are meant for long problems that can be easily solved and described in a short section. They are used very often in grade school.
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/
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.
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.
A good site to purchase possessive nouns worksheets is worksheets r us. They have many free downloads to print for these types of nouns worksheets. Go there anytime.
Check out http://www.tlsbooks.com/preschoolworksheets.htm for some great free worksheets you can print and copy for your students. Http://www.education.com/worksheets/preschool/ also has some great worksheets you can use.
Go to nouns r us to print and distribute some pronoun worksheets. They have some for sale and some for free. They will help your child to improve reading skills.
Some good sources to purchase geometry worksheets from are helpingwithmath.com, amazon.com,and helpingwithmath.com. there is a good free site named www.kutasofotware.com
This site offers antonyms worksheets for sale, http://havefunteaching.com/worksheets/english-worksheets/antonym-worksheets/. They offer worksheets for various grade levels both with and without pictures.
WorksheetPlace.com has worksheets for any subject in any grade at any difficulty! Just find what you need and print it out! Couldn't be easier! Good luck in your studies!
You can buy some math addition worksheets from you local book store or on the internet. However, there are a lot of free printable math worksheet at mathfactcafe.com or mathblaster.com
Fortunately with the internet, there is a wide variety of handwriting worksheets available for free so it won't be necessary to purchase them. Some of the sites that I found offering free handwriting worksheets are handwritingworksheets dot com as well as homeeducationsources dot com.