The official publisher's site often has useful articles and teacher's manuals that act as keys for the exercises. Quick Tips for 4th Grade
A modern series for schools with an emphasis on the German language. Where to Find Solutions (Reshebniki)
A resource focused on German language learners that often provides links to textbook PDFs and supporting literature. skachat reshebnik nemetskogo iazyka 4 klassa
These sites host scanned pages of workbooks and textbook answers for almost every 4th-grade German author.
Depending on your curriculum, you are likely looking for one of these: The official publisher's site often has useful articles
The most common series in Russia. Solutions often cover the textbook parts 1 and 2 as well as the workbook (Arbeitsbuch).
Searching for a "reshebnik" (answer key or solution manual) for 4th-grade German usually leads to resources for popular textbooks used in Russian and Belarusian schools. Below are the most common ways to find or view these materials online. Popular Textbooks & Authors These sites host scanned pages of workbooks and
Instead of downloading files that might contain viruses, many students and parents use "GDZ" (Ready Homework) websites to view solutions directly in the browser: