This is the complete teacher edition of H.M.H. Publishing's Into Math Grade 1, which includes modules 1-18. It is a trade paperback format, published by Houghton Miffin/Harcourt in 2019. The book is specifically designed for educators in the field of math and covers a range of subjects in the area of education. It is a great resource for teachers to use as a study guide and test prep tool for their students.