My Math Mcgraw-hill Grade 3 Teaching Resources | TpT My Math (McGraw-Hill) Grade 1 Chapter 3 Lesson Plans - 2013 edition by Kelly Lenox 5.0 (24) $5.00 PDF There are 8 days of lesson plans for each lesson in Chapter 3 of the McGraw Hill 1st Grade My Math book. Lesson Plans follow along with the teacher's manual and include the Mathematical Practices for each lesson.