1st gradeTrue or False equation | Addition & Subtraction Within 20 | Valentine’s Day |word problemsThis printable help first graders understand the meaning of the equal sign with these True or False math worksheets. Students decide whether equations are true or false using addition and subtraction within 20. Perfect for Grade 1 math centers, independent practice, or CCSS 1.OA.D.7 review. ✅ Suitable for: 1st Grade (on-level), 2nd Grade (review) ✅ Great for: Classwork, homework, math centers, ho