1st grade math discussions. Are you looking for discussions for first grade math students to better understand 1st grade math topics? Your child may need some help with his or her first grade math class. Or you may be looking for 1st grade math resources for your students. TuLyn is the right place. Learning first grade math is now easier. We have hundreds of discussions for 1st grade math students to practice. This page lists discussion topics on first grade math. You can navigate through these pages to locate our 1st grade math discussions.