How can I get an answer key for my math textbook to check my work?

To obtain an answer key for your math textbook, you can start by checking the publisher's website, as many provide downloadable answer keys for students. Additionally, some textbooks include an answer key in a supplementary materials section or a separate companion book. If those options are unavailable, consider reaching out to your teacher or classmates, or look for online forums and study groups that may share resources.