Scott Foresman Reading
If you’re looking for a free, complete Language Arts curriculum, the Scott Foresman Reading site is perfect. They offer Reading textbooks online for grades 1-6 and if you click through to the Teacher Resources, you’ll see a link to their Grammar and Writing Handbooks, also for grades 1-6. Add some spelling (Spelling City listing coming) and you’ve got all your bases covered. There’s nothing very magical about these books. They are PDF’s of a textbook, but they have good explanations and lots of exercises. If you’d rather print something than pay for a workbook – here’s your chance. Covers grades 1-6 and completely free.