Houghton Mifflin Knowing Math Student Edition Grade 4 Knowing Mathematics Knowing Mathematics helps students in Grades 4–6 who are two or more years below grade level build a strong mathematics foundation. Grade: 4 Material Type: Student Materials Format: Softcover, 120 Pages ISBN-13/EAN: 9780618248322 ISBN-10: 0618248323 Product Code: 177044 National/State: National Copyright Year: 2003