Try looking online! Look up "5th grade math worksheets", and go from there! Or ask your local school if they have an extra workbook you can have. I'm sure they'd be happy to help!
There are many free grammar worksheets online at grammaracy dot com. They offer the worksheets for free allowing you to download or save or print them while you are on their site.
First go to http://www.ereadingworksheets.com/free-reading-worksheets/reading-comprehension-worksheets/inferences-worksheets/. There you should find multiple links as to what you are looking for.
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.
There are many places online where you can find free addition worksheets, and also customize them for your child. For example, http://www.homeschoolmath.net/worksheets/addition.php and http://www.mathsisfun.com/worksheets/addition.php.
The website www.havefunteaching.com/worksheets has many different types of calendar worksheets available to print. These calenders are free and customizable.
This site offers free context clues worksheets for third graders, http://tabstart.com/directory/education/context-clues-practice-third-grade-1419. There are also practice exercises and games on the site that can be used to help students.
There are a number of places online which offer free algebra worksheets. Math Drills and Math Worksheets Go have free algebra worksheets available. Other places which offer free algebra worksheets include Helping With Math and Soft Schools.
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.
You can find science worksheets online at the following sites I found for you to look at. Here are the sites I found for you to look at www.softschools.com/science/ , and www.jumpstart.com
Phonics worksheets are assignments for students that focus on learning and practicing reading. You can find them online for free at www.education.com/worksheets and www.free-phonics-worksheets.com
I know that school worksheets dot com has some for you to review and checkout. That site allows you to search and download some free capitalization worksheets.