To find the right one, check the cover of your textbook—the workbook author's name is usually listed on the bottom or back cover to match the textbook's series.
Here are the most common authors for the workbooks: avtor rabochei tetradi po istorii 5 klass
The most popular author, usually paired with the classic textbook by Vigasin, Goder, and Sventsitskaya from Prosveshchenie Publishers . To find the right one, check the cover