There are many good workbooks available for kindergarten children. However with a regular workbook, a child can do each activity or worksheet only once. A good option is to use printable kindergarten worksheets.
Reading instruction is a component of the language arts curriculum that should be introduced across multiple subject matter content. Children ultimately have to understand what they read in a variety of textbooks, not just as part of a language arts class. Yet, reading instruction begins long before formal education begins, especially for homeschooling parents and educators.
If your third grader needs help with math, there are many useful tools that can downloaded directly from the computer. Math is a subject that is best taught with visual aids, making the lessons more tangible for students.
The homeschooling education should include a strong textbook foundation as well as a thorough instructor and lesson plan. The home school education should not be exclusively based on education of the instructor or limited to a curriculum purchased.