Many educator groups share these PDFs directly. You can find links to the 6th-grade exercise books and testing materials through community posts.
You can find various parts of the Barashkova grammar series—including the (Exercise Book) and the Kniga dlya Roditelei (Parent's Book)—on several educational resource sites: Many educator groups share these PDFs directly
Barashkova isn't a "one-size-fits-all" book. It is designed to supplement specific school textbooks. Make sure you download the version that matches your school's curriculum: Vereshchagina / Afanasyeva Spotlight (English in Focus) 🌟 Need Extra Practice? Many educator groups share these PDFs directly