The product is a brand new 4th grade math workbook from the Go Math! series, published by Houghton Mifflin Harcourt. This trade paperback workbook is designed for elementary school students and offers a comprehensive approach to mathematics education in English. With personalized instruction from the authors, this workbook is a valuable resource for students looking to enhance their math skills and understanding. The Go Math workbook series provides a structured and engaging learning experience for students in grade 4 to excel in their mathematical studies.