If you finish Barashkova and want more, these world-class resources offer free exercises and explanations:
Offers downloadable PDFs and online multiple-choice exercises. Grammar | LearnEnglish - British Council
For a quick look without downloading, you can view the 5–6 collection online . 💡 Pro-Tip: Match Your Textbook If you finish Barashkova and want more, these
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?
A reliable archive for Russian textbooks. You can find the 5–6 Parent's Book and the Spotlight 5 Exercise Collection here in PDF format. It is designed to supplement specific school textbooks
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. You can find links to the 6th-grade exercise books and testing materials through community posts. You can find the 5–6 Parent's Book and
Interactive grammar lessons for A1–C1 levels.