3 BOOKS IN 1 Learning at home is as easy as 1 2 3 with this super-sized workbook that's jam-packed with 320 pages of kid-friendly, teacher-reviewed exercises -- perfect for kids tackling 4th grade math. Building a strong foundation in math is essential as 4th graders prepare to advance to more difficult math concepts. This Jumbo Workbook (a $39 value for just $18.99 ) is a compilation of 3 of Sylvan Learning's most popular...