Math Combo Grade 2 Retail Price: $3.79 Our Price: $3.49 Save: 0.30 (7.92%) Availability: In Stock        Each Combo Book combines two key I Know It! workbooks under one cover. Math Grade 2 focuses on math skills students need for success in the second grade. Addition & Subtraction Grade 2 provides more practice of basic operations. Similar Items you may enjoy! Math Combo #1 Our Price: $3.49 Math Combo #3 Our Price: $3.49 Math Combo #4 Our Price: $3.49 Standard Deviants School, Basic Math Program 7--VHS and CD-ROM Combo Pack Our Price: $44.99